Assume That a Procedure Yields a Binomial Distribution with a Trial

Multiple Choice

Assume that a procedure yields a binomial distribution with a trial repeated n=30 times. Use the binomial probability formula to find the probability of x=5 successes given the probability p=1/5 of success on a single trial. Round to three decimal places.

A) 0.172
B) 0.067
C) 0.198
D) 0.421