SOLUTION: Assume that random guess are made for five multiple-choice questions on an ACT test, so that n = 5, and p = 0.20. Find the indicated probability for the number of correct answers

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Question 1170469: Assume that random guess are made for five multiple-choice questions on an ACT test,
so that n = 5, and p = 0.20. Find the indicated probability for the number of correct
answers.
Find the probability that the number of correct answers is exactly 4
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
this is 5C4*0.20^4*0.80=0.0064