Quiz 12.1B - 1 Identify the population and parameter of...

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Quiz 12.1B AP Statistics Name: LeRoy, a starting player for a major college basketball team, made only 40% of his free throws last season. During the summer, he worked on developing a softer shot in hopes of improving his free throw accuracy. In the first eight games of this season, LeRoy made 25 free throws in 40 attempts. You want to investigate whether LeRoy’s work over the summer will result in a higher proportion of free throw successes this season.
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Unformatted text preview: 1. Identify the population and parameter of interest. Then state null and alternative hypotheses. 2. State and verify the conditions for performing a significance test. 3. Calculate the test statistic and the P-value. 4. What conclusion would you draw at the α = 0.01 level about LeRoy’s free throw shooting? 5. Construct and interpret a 90% confidence interval for the proportion of free throws LeRoy will make this season. Chapter 12 Quiz 12.1B...
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