(a)  What is the probability that 3 people will find the PS5? (b)  What is the probability that at least 2 people will find the PS5? (c)  What is the expected number (μ) of the 9 people that can find the PS5 when going shopping? (d)  What is the standard deviation of the 9 people that can find the PS5 when shopping?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Assume that when shopping for a PS5, the probability of finding the PS5 at any given store is .25. We’ll assume that this is modeled by a binomial distribution. Assuming that n = 9 people go shopping for the PS5

  1. (a)  What is the probability that 3 people will find the PS5?

  2. (b)  What is the probability that at least 2 people will find the PS5?

  3. (c)  What is the expected number (μ) of the 9 people that can find the PS5 when going shopping?

  4. (d)  What is the standard deviation of the 9 people that can find the PS5 when shopping?

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