Suppose a friend of yours says she is a 75% free-throw shooter in basketball. You dont think

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Suppose a friend of yours says she is a 75% free-throw shooter in basketball. You don’t think she is that good and want to test her to gather evidence that she makes less than 75% of her free throws in the long run. You have her shoot 40 free throws and she makes 26 (or 65%) of them. Which of A–E is an appropriate way to set up the hypotheses, in symbols, for this test?

A. H0: p̂ = 0.75, Ha: p̂ < 0.75
B. H0: π = 0.75, Ha: π < 0.75
C. H0: p̂ = 0.65, Ha: p̂ < 0.65
D. H0: π = 0.65, Ha: π < 0.65
E. H0: π < 0.75, Ha: π = 0.75

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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