SOLUTION: If the probability of getting caught copying someone else’s exam is 0.2, find the probability that in a total of 7 attempts a person get caught exactly 4 times.

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Question 873695: If the probability of getting caught copying someone else’s exam is 0.2, find the probability that in a total of 7 attempts a person get caught exactly 4 times.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p = .2, n = 7
P(x = 4)= 7C4(.2)^4(.8)^3 0r binompdf(7, .2, 4) = .0287 0r 2.87%