9. a basketball player is practicing his free throws. he plans to shoot free thr
ID: 2936791 • Letter: 9
Question
9. a basketball player is practicing his free throws. he plans to shoot free throws until he makes 10. suppose he is a 75% free throw shooter and each free throw is independent.a. What is the probability that he will have to attempt 12 free throws before he makes 10? b. What is the expected value of the number of free throws he will take before he makes 10? 9. a basketball player is practicing his free throws. he plans to shoot free throws until he makes 10. suppose he is a 75% free throw shooter and each free throw is independent.
a. What is the probability that he will have to attempt 12 free throws before he makes 10? b. What is the expected value of the number of free throws he will take before he makes 10?
a. What is the probability that he will have to attempt 12 free throws before he makes 10? b. What is the expected value of the number of free throws he will take before he makes 10? a. What is the probability that he will have to attempt 12 free throws before he makes 10? b. What is the expected value of the number of free throws he will take before he makes 10?
Explanation / Answer
We have given that,n=10
P=0.75,
a)probability(12 free throws)=(0.75)^12
=0.032
b) E(number of free throws)=10*0.75
=7.5
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