Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Chapter 5, Problem 71P
Use the following information to answer the net 16 exercises. Carbon-14 is a radioactive element with a half-life of about 5730 years. Carbon-14 Is said o decay exponentially. The decay rate Is 0.000121. We are with one gram of carbon-14. We are interested in the time (years) it takes to decay carbon-14.
Thirty percent (30%) of carbon- 14 will decay within how many years?
a. Sketch the graph, and shade the area of interest.
Figure 5.51
b. Find the value k such that P(x
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Chapter 5 Solutions
Introductory Statistics
Ch. 5 - Consider the function f(x)=18 for 0x8 0. Draw the...Ch. 5 - The data the follow are the number of passengers...Ch. 5 - A distribution is given as X ~U(0, 20). What is...Ch. 5 - The total duration of baseball games in the major...Ch. 5 - Suppose the time it takes a student to finish a...Ch. 5 - The amount of time a service technician needs to...Ch. 5 - The amount of time spouses shop for anniversary...Ch. 5 - The number of days ahead travelers purchase their...Ch. 5 - On average, a pair of running shoes can last 18...Ch. 5 - Suppose that the distance, in miles, that people...
Ch. 5 - Suppose that on a certain stretch of highway, cars...Ch. 5 - Suppose that the longevity of a light bulb is...Ch. 5 - In a small city the number of automobile accidents...Ch. 5 - Which type of distribution does the graph...Ch. 5 - Which type of distribution does the graph...Ch. 5 - Which type of distribution does the graph...Ch. 5 - What does the shaded area represent? P(_< x <_)...Ch. 5 - What does the shaded area represent? P(______...Ch. 5 - For a continuous probablity distribution, 0x15 ....Ch. 5 - What is the area under f(x) if the function is a...Ch. 5 - For a continuous probability distribution, 0x10 ....Ch. 5 - A continuous probability function is restricted to...Ch. 5 - f(x) for a continuous probability function is 15 ,...Ch. 5 - f(x) , a continuous probability function, is equal...Ch. 5 - Find the probability that x falls in the shaded...Ch. 5 - Find the probability that x falls in the shaded...Ch. 5 - Find the probability that x falls in the shaded...Ch. 5 - m:math display='block'>f(x), a continuous...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - the following information to answer the next ten...Ch. 5 - 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For each probability and percentile problem, draw...Ch. 5 - For each probability and percentile problem, draw...Ch. 5 - For each probability and percentile problem, draw...Ch. 5 - For each probability and percentile problem, draw...Ch. 5 - For each probability and percentile problem, draw...Ch. 5 - Use the following information o answer the next...Ch. 5 - Use the following information o answer the next...Ch. 5 - Use the following information o answer the next...Ch. 5 - The time (In minutes) until the next bus departs a...Ch. 5 - Suppose that the value of a stock varies each day...Ch. 5 - A fireworks show is designed so that the time...Ch. 5 - The number of miles driven by a truck driver falls...Ch. 5 - Suppose that the length of long distance phone...Ch. 5 - Suppose that the useful life of a particular car...Ch. 5 - The percent of persons (ages five and older) in...Ch. 5 - The time (In years) after reaching age 60 that ft...Ch. 5 - The cost of all maintenance for a car during fts...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Use the following information to answer the next...Ch. 5 - Let X ~ Exp(0.l). a. decay rate = _________ b. ...Ch. 5 - Suppose that the longevity of a light bulb is...Ch. 5 - At a 911 call center, calls come in a an average...Ch. 5 - In major league baseball, a no-hitter is a game in...Ch. 5 - During the years 1998—2012. a total of 29...Ch. 5 - According to the American Red Cross. about one out...Ch. 5 - A web site experiences traffic during normal...Ch. 5 - At an urgent care faci11t; patients arrive at an...
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