It was reported that 19.8% of computer games sold in 2005 were classified as family and childrens.

Question:

It was reported that 19.8% of computer games sold in 2005 were classified as “family and children’s.” Choose 5 purchased computer games at random. Find the probability that
a. None of the 5 was family and children’s 0.332
b. At least 1 of the 5 was family and children’s 0.668