SOLUTION: A student takes a 5 question multiple choice quiz with 4 choices for each question. If the student guesses at random on each question, what is the probability that the student gets

Algebra ->  Probability-and-statistics -> SOLUTION: A student takes a 5 question multiple choice quiz with 4 choices for each question. If the student guesses at random on each question, what is the probability that the student gets      Log On


   



Question 1099492: A student takes a 5 question multiple choice quiz with 4 choices for each question. If the student guesses at random on each question, what is the probability that the student gets exactly 3 questions correct?

0.022

0.066

0.088

0.176

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%285%2CX%29%2A%280.25%29%5EX%2A%281-0.25%29%5E%2810-X%29
.
.
.
.
.
.
.
P=0.08789