Calculus Volume 3
16th Edition
ISBN: 9781938168079
Author: Gilbert Strang, Edwin Jed Herman
Publisher: OpenStax
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Textbook Question
Chapter 1.3, Problem 168E
For the following exercises, sketch a graph of the polar equation and identify any symmetry.
168.
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(c) Because logistic regression predicts probabilities of outcomes, observations used to build a logistic regression model need not be independent.
A. false: all observations must be independent
B. true
C. false: only observations with the same outcome need to be independent
I ANSWERED: A. false: all observations must be independent.
(This was marked wrong but I have no idea why. Isn't this a basic assumption of logistic regression)
Business discuss
Spam filters are built on principles similar to those used in logistic regression. We fit a probability that each message is spam or not spam. We have several variables for each email. Here are a few: to_multiple=1 if there are multiple recipients, winner=1 if the word 'winner' appears in the subject line, format=1 if the email is poorly formatted, re_subj=1 if "re" appears in the subject line. A logistic model was fit to a dataset with the following output:
Estimate
SE
Z
Pr(>|Z|)
(Intercept)
-0.8161
0.086
-9.4895
0
to_multiple
-2.5651
0.3052
-8.4047
0
winner
1.5801
0.3156
5.0067
0
format
-0.1528
0.1136
-1.3451
0.1786
re_subj
-2.8401
0.363
-7.824
0
(a) Write down the model using the coefficients from the model fit.log_odds(spam) = -0.8161 + -2.5651 + to_multiple + 1.5801 winner + -0.1528 format + -2.8401 re_subj(b) Suppose we have an observation where to_multiple=0, winner=1, format=0, and re_subj=0. What is the predicted probability that this message is spam?…
Chapter 1 Solutions
Calculus Volume 3
Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Many plane curves in mathematics are named after...Ch. 1.1 - Earlier in this section, we looked at the...
Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - Earlier in this section, we looked at the...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, sketch the curves...Ch. 1.1 - For the following exercises, eliminate the...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, use technology (CAS...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, sketch the parametric...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, convert the...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - For the following exercises, the pairs of...Ch. 1.1 - Show that x=h+rcos , y=k+rsin represents the...Ch. 1.1 - Use the equations in the preceding problem to find...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.1 - For the following exercises, use a graphing...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, each set of...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, determine the slope...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, find all points on...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises, write the equation of...Ch. 1.2 - For the following exercises. find d2y/dx2 . 88....Ch. 1.2 - For the following exercises. find d2y/dx2 . 89....Ch. 1.2 - For the following exercises. find d2y/dx2 . 90....Ch. 1.2 - For the following exercises, find points on the...Ch. 1.2 - For the following exercises, find points on the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find dy/dx at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find d2y/dx2 at the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the arc length...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.2 - For the following exercises, find the area of the...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - In the following exercises. plot the point whose...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, consider the polar...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following exercises, the rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following Exercises, find rectangular...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, determine whether the...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, describe the graph of...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, convert the polar...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - For the following exercises, sketch a graph of the...Ch. 1.3 - [T] The graph of r=2cos(2)sec() . is called a...Ch. 1.3 - [T] Use a graphing utility and sketch the graph of...Ch. 1.3 - [T] Use a graphing utility to graph r=11cos.Ch. 1.3 - [T] Use technology to graph r=esin()2cos(4) .Ch. 1.3 - [T] Use technology to plot r=sin(37) (use the...Ch. 1.3 - Without using technology, sketch the polar curve...Ch. 1.3 - [T] Use a graphing utility to plot r=sin forCh. 1.3 - [T] Use technology to plot r=e0.1 for 1010 .Ch. 1.3 - [T] There is a curve known as the “Black Hole”....Ch. 1.3 - [T] Use the results of the preceding two problems...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, determine a definite...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find the area of the...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find a definite...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, find the length of...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the integration...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, use the familiar...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - For the following exercises, find the slope of a...Ch. 1.4 - Find the points on the interval at which the...Ch. 1.4 - For the cardioid r=1+sin , find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following exercises, find the slope of the...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.4 - For the following Exercises, find the points at...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following Exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, determine the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, consider the...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, find a polar equation...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following exercises, sketch the graph of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - For the following equations, determine which of...Ch. 1.5 - The mirror in an automobile headlight has a...Ch. 1.5 - A satellite dish is shaped like a paraboloid of...Ch. 1.5 - Consider the satellite dish of the preceding...Ch. 1.5 - A searchlight is shaped like a paraboloid of...Ch. 1.5 - Whispering galleries are rooms designed with...Ch. 1.5 - A person is standing 8feet from the nearest wall...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1.5 - For the following exercises, determine the polar...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - True or False? Justify your answer with a proof or...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the parametric...Ch. 1 - For the following exercises, sketch the polar...Ch. 1 - For the following exercises, sketch the polar...Ch. 1 - For the following exercises, find the polar...Ch. 1 - For the following exercises, find the polar...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the equation of...Ch. 1 - For the following exercises, find the area of the...Ch. 1 - For the following exercises, find the area of the...Ch. 1 - For the following exercises, find the arc length...Ch. 1 - For the following exercises, find the arc length...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, find the Cartesian...Ch. 1 - For the following exercises, determine the...Ch. 1 - For the following exercises, determine the...Ch. 1 - For the following exercises, determine the...Ch. 1 - Determine the Cartesian equation describing the...Ch. 1 - The C/1980E1 comet was observed in 1980 . Given an...
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