Only last part

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 23E
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Only last part
(1 point) It is known that a certain basketball player will successfully make a free throw 90% of the time. (Assume that all free throw attempts are independent.) Suppose that the basketball player attempts to make 11 free throws.
(Round answers to three decimal places.)
(a) What is the probability that the basketball player will make at least 9 free throws?
(b) What is the probability that the basketball player will make between 8 and 11 free throws (inclusive)?
Let X be the random variable which denotes the number of free throws that are made by the basketball player. Find the expected value and standard deviation of the random variable.
(c) E(X) =
(d) o =
Transcribed Image Text:(1 point) It is known that a certain basketball player will successfully make a free throw 90% of the time. (Assume that all free throw attempts are independent.) Suppose that the basketball player attempts to make 11 free throws. (Round answers to three decimal places.) (a) What is the probability that the basketball player will make at least 9 free throws? (b) What is the probability that the basketball player will make between 8 and 11 free throws (inclusive)? Let X be the random variable which denotes the number of free throws that are made by the basketball player. Find the expected value and standard deviation of the random variable. (c) E(X) = (d) o =
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