Use Binomial Distribution to solve problems 3 - 4 3. Over a long period of time a certain drug has been effective in 80% of the cases in which it has been prescribed. If a doctor is now administering this drug to five patients, what is the probability that it will be effective for a) one patient P(X = 1) = b) less than two patients P(X < 2) = 4. If 40% of employees in the company are females and 6 employees are randomly chosen to serve on a committee, what is the probability that: a) No women will be selected P(X=0) = b) One or more women will be selected P(X 2)