SOLUTION: 80 people are taking a test, that on average 85% of people pass. What is the probability that exactly 65 applicants will pass the test?

SOLUTION: 80 people are taking a test, that on average 85% of people pass. What is the probability that exactly 65 applicants will pass the test?

Algebra.Com

Question 876312: 80 people are taking a test, that on average 85% of people pass. What is the probability that exactly 65 applicants will pass the test?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = .85, n = 80
P(x = 65) = 80C65(.85)^65(.15)^20 0r normalpdf(80, .85, 65) = .0751
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