A basketball player with a poor foul-shot record practices intensively during the off-season. he tells the coach that he has r
aised his proficiency from 50% to 70%. dubious, the coach asks him to take 10 shots, and is surprised when the player hits 9 out of 10. complete parts
a.through
d.below.
a.through
d.below.
2 answers:
Answer:
Question lack information. Here is the link to full question. https://www.chegg.com/homework-help/hoops-basketball-player-poor-foul-shot-record-practices-inte-chapter-20-problem-41e-solution-9780134243924-exc
Explanation:
a. Suppose the player really is no better than before, still 60% shooter. What’s the probability he can hit at least 9 of 10 shots anyway?
Answer: 0.0464
See the attachment i have solved and screenshot it so that you can under stand better.
b. If that is what happened, now the coach thinks the player has improved when he has not. Which type of error is that?
Answer: Type I error
See the attachment i have solved and screenshot it so that you can under stand better.
c. If the player really can hit 80% now, and it takes at least 9 out of 10 successful shots to convince the coach, what’s the power of the test?
Answer: 0.376
See the attachment i have solved and screenshot it so that you can under stand better.
d. List two ways the coach and player could increase the power to detect any improvement.
Answer: Increase the number of shots
See the attachment i have solved and screenshot it so that you can under stand better.
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