Question

How do I solve this?

Answer 1

This is a problem in binominal probability.  Either the rented film is a comedy or is not a comedy (binary outcomes).  the probability that the rented film is a comedy is 52%.

You must calculate and add together three probabilities to derive a final answer:

binompdf(7,0.52,0), binompdf(7,0.52,1) and binompdf(7,0.52,2).

Can you do this?  Let me know if you need further help with this problem.