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Get Full Access to Statistics Through Applications - 2 Edition - Chapter 9 - Problem 9.22
Get Full Access to Statistics Through Applications - 2 Edition - Chapter 9 - Problem 9.22

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# Free throws Activity 9.2B shows you how to use the Signifi

ISBN: 9781429219747 133

## Solution for problem 9.22 Chapter 9

Statistics Through Applications | 2nd Edition

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Problem 9.22

Free throws Activity 9.2B shows you how to use the Signifi cance Test applet at the books Web site, www.whfreeman.com/sta2e, to test a basketball players claim that he makes 80% of his free throws. Suppose that the players claim is true and that you use the applet to shoot 20 shots. (a) What are the mean and standard deviation of the sampling distribution of p^, the sample proportion of made free throws? (b) If the player actually makes 8 shots, what is the value of p^? (c) Sketch a graph like Figure 9.7 (page 441) that shows the sampling distribution. Mark the location of the sample proportion p^ from (b) on the horizontal axis of your sketch. (d) How likely is it that you would get a value of p^ as unusual as the one you did if the players claim is true? What do you conclude about whether the player is an 80% free-throw shooter?

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##### ISBN: 9781429219747

The full step-by-step solution to problem: 9.22 from chapter: 9 was answered by , our top Statistics solution expert on 11/10/17, 06:04PM. Since the solution to 9.22 from 9 chapter was answered, more than 262 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Statistics Through Applications, edition: 2. This full solution covers the following key subjects: free, throws, Players, claim, shows. This expansive textbook survival guide covers 10 chapters, and 710 solutions. Statistics Through Applications was written by and is associated to the ISBN: 9781429219747. The answer to “Free throws Activity 9.2B shows you how to use the Signifi cance Test applet at the books Web site, www.whfreeman.com/sta2e, to test a basketball players claim that he makes 80% of his free throws. Suppose that the players claim is true and that you use the applet to shoot 20 shots. (a) What are the mean and standard deviation of the sampling distribution of p^, the sample proportion of made free throws? (b) If the player actually makes 8 shots, what is the value of p^? (c) Sketch a graph like Figure 9.7 (page 441) that shows the sampling distribution. Mark the location of the sample proportion p^ from (b) on the horizontal axis of your sketch. (d) How likely is it that you would get a value of p^ as unusual as the one you did if the players claim is true? What do you conclude about whether the player is an 80% free-throw shooter?” is broken down into a number of easy to follow steps, and 156 words.

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