9.22 Free throws Activity 9.2B shows you how to use the Significance Test applet at the book's Web site, www.whfreeman.com/sta2e, to test a basketball player's claim that he makes 80% of his free throws. Suppose that the player's 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 distuil
9.22 Free throws Activity 9.2B shows you how to use the Significance Test applet at the book's Web site, www.whfreeman.com/sta2e, to test a basketball player's claim that he makes 80% of his free throws. Suppose that the player's 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 distuil
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:9.22 Free throws Activity 9.2B shows you how to use the Significance Test applet
at the book's Web site, www.whfreeman.com/sta2e, to test a basketball player's
claim that he makes 80% of his free throws. Suppose that the player's 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 player's claim is true? What do you conclude about whether the player is an
80% free-throw shooter?
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