5 pts 11:59 PM EST Chapter 1. Tutorial: Binomial Computations Problem Statement

Question

5 pts 11:59 PM EST Chapter 1. Tutorial: Binomial Computations Problem Statement A basketball player makes 75% of her free throws suppose that she takes 7 free throws in a game Step 1 Step 2 What is the probability that she makes at least 3 free throws? (Give your answer in decimal form rounded to 4 decimal places. If less than 1, enter your answer in the format-0 ####") 42190:9871 Feedback Incorrect Points awarded 0 out of t What is the probablity that she makes at most 2 free throws? (Give your answer in decimali form rounded to 4 decimal places. If less than 1. enter your answer in the format'?#### Submit

Explanation / Answer

n = 7

p = 0.75

P(X > 3) = 1 - P(X < 3)

              = 1 - (P(X = 0) + P(X = 1) + P(X = 2))

             = 1 - (7C0 * (0.75)^0 * (0.25)^7 + 7C1 * (0.75)^1 * (0.25)^6 + 7C2 * (0.75)^2 * (0.25)^5)

             = 1 - 0.0129

             = 0.9871

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