A pharmaceutical company claims that its new medication results in side effects for 20% of those people who take it. A sample of 100 consumers of that medication is randomly selected. Find the mean an

A pharmaceutical company claims that its new medication results in side effects for 20% of those people who take it. A sample of 100 consumers of that medication is randomly selected. Find the mean and standard deviation for the number of patients that experience side effects in such groups of 100.