5. An online spinner has two colored regions-blue and yellow. According to the website, the probability that the spinner lands in the blue region on any spin is 0.80. Assume for now that this claim is correct. Suppose we spin the spinner 12 times and let X = the number of times it lands in the blue region. Starnes & Tabor, The Practice of Statistics, 6e, 2018 Bedford, Freeman & Worth High School Publishers a. Explain why X is a binomial random variable. b. Find the probability that exactly 8 spins land in the blue region.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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6.
5. An online spinner has two colored regions blue and yellow. According to the website, the
probability that the spinner lands in the blue region on any spin is 0.80. Assume for now that this
claim is correct. Suppose we spin the spinner 12 times and let X = the number of times it lands in
the blue region.
Stames & Tabor, The Practice of
Statistics, 6e, C 2018 Bedford,
Freeman & Worth High School
சioishcrs
a. Explain why X is a binomial random variable.
b. Find the probability that exactly 8 spins land in the blue region.
Transcribed Image Text:6. 5. An online spinner has two colored regions blue and yellow. According to the website, the probability that the spinner lands in the blue region on any spin is 0.80. Assume for now that this claim is correct. Suppose we spin the spinner 12 times and let X = the number of times it lands in the blue region. Stames & Tabor, The Practice of Statistics, 6e, C 2018 Bedford, Freeman & Worth High School சioishcrs a. Explain why X is a binomial random variable. b. Find the probability that exactly 8 spins land in the blue region.
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