SOLUTION: Suppose 25% of students have an iPod. You take a random sample of 2 students. What is the chance that at most one of them owns an iPod?

SOLUTION: Suppose 25% of students have an iPod. You take a random sample of 2 students. What is the chance that at most one of them owns an iPod?

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Question 913790: Suppose 25% of students have an iPod. You take a random sample of 2 students. What is the chance that at most one of them owns an iPod?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = .25, n = 2
P( x ≤ 1) = binomcdf(2, .25,1)
0r
P( x ≤ 1) = P(0) + P(1) = .75^2 + 2C1(.25)^1(.75)^1
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