SOLUTION: The probability of passing an exam is 0.35. The class has 20 students. What is the probability that one fifth or less of the students pass the exam?

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Question 900281: The probability of passing an exam is 0.35. The class has 20 students. What is the probability that one fifth or less of the students pass the exam?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
p = .35, n = 20
P(x <= 4) = binomcdf(.35,20,4)= .1182 0r 11.82%
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until You are comfortable using it.

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