Why is the value considered for Critical value, or Z* is positive 1.96? Why not negative 1.96?

Q: 30. A lig a It bend b. It bend

A: If light travels from water to air which has lower refractive index then,

Q: For numbers 9 and 10: Nathan, a friend of Jonard, wants to predict the petal length (plength, cm) of…

A: Solution: The regression output is given.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: Use the five-point endpoint formula to approximate f'(0.78) for the table data points. You must show…

A: The five-point endpoint formula to approximate f'(x0)…

Q: Emissions of sulfur dioxide by industry set off chemical changes in the atmosphere that result in…

A: Given Mean=5.43 Standard deviations=0.54

Q: ht. e want to test Ho = 1; H <1 where = the true mean weight (in pounds) of bread loaves produced at…

A: It is an important part of statistics. It is widely used.

Q: a series of 20 samples of size 4 has been drawn from a project. the measure of interest has an…

A: From the given information, series of 20 samples of size 4 has been drawn from the project. Average…

Q: Show that the slope of the normal line to the curve y = 5 /(3-7x)^3 is never positive.

A: Given the equation of a curve is y=53-7x3. This can be written as y=53-7x-3. Differentiating it:…

Q: The yield of a chemical process in tonnes is measured under 4 different sets if operating…

A: The yield of a chemical process in tonnes is measured under 4 different sets of operating…

Q: Suppose that contamination particle size (in micrometers) can be modeled as f(x) = 13x14 for 1 < x.…

A: The probability density function of X is given by f(x) = 13x-14 , x &gt; 1

Q: The average value of y = v(x) equals 4 for 1 sxs 6, and equals 10 for 6 s xs 12. What is the average…

A:

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From given : We have given that a random sample of medical files is used to estimate the proportion…

Q: Suppose X~N(193,6) and Z~N(0,1). If z = -1.12, what is it on an X scale? Express your answer to two…

A: Given, X ~ N(193,6) Z ~ N (0,1) μ = 193 σ = 6       To  find, If Z = -1.12, what is it on an X…

Q: Why is the df value decreased by SPSS if we fail the Levene’s test?

A: Null and alternative hypothesis in order to apply Levene’s test: Levene’s test is used to test the…

Q: 9. 6. Given f(x) dx = 5 and g(x) dx = -3, evaluate the following. %3D

A:

Q: How would you report the results? The derived t = 0.74 was not significant at p = .05 with df = 19.…

A: The mean significant difference between the two sample and the population parameter for smaller…

Q: What Is the value of Elx-1)? for Scoves 2,2,1,4?

A: From the provided information, The scores are 2, 2, 1, 4

Q: 3.  A claim is made that the proportion of children who play sports is less than 0.5, and the sample…

A: Given,sample size(n)=1158sample proportion(p^)=0.3population proportion(P)=0.5

Q: 2. Find the absolute error and the percentage relative error in the approximation of p = Tt 22 by p'…

A:

Q: A package cartoner uses glue to seal the flaps of the carton. In order to adhere properly, the glue…

A: Here in this question it is given that a package cartoner uses glue to seal the flaps of the carton.…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: The lifetime of lightbulbs are normally distributed with Mean = 5,059 hours and SD = 277 hours, If…

A: Given data: Mean = 5,059 hours Standard deviation  = 277 hours Confidence level  = 98 % To find: If…

Q: Can you help with parts iv, v, and vi please? The size of the left upper chamber of the heart is…

A: The given data is as follows:Population mean, Population standard deviation,

Q: The mean yield from process A is estimated to be 80 ± 5, where the units are percent of a…

A: The mean yield from process A is estimated to be A= 80±5 and the mean yield from process B is…

Q: 40. Suppose N is the number of people in the United States who travel by car to another state for a…

A: Suppose N is the number of people in the United States who travel by car to another state for a…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Assume p^=0.5margin of error(E)=0.03

Q: What is the average rate of change of x² - 6x - 7 = 0 on the interval between x = 2 and x = 3? What…

A:

Q: Suppose X~N(162,14) and Z~N(0,1). If z = -0.74, what is it on an X scale?  Express your answer to…

A: Here we need to find the X value corresponding to the z score -0.74

Q: Find P (t > 1.318) when v = 24.

A:

Q: X has PDF f(x) = #/2 if0<x <2 0 otherwise What is the 17th percentile?

A: