Refer to the Minitab display to the right below;

x P(X=x)

0.00 0.3596

1.00 0.4081

2.00 0.1853

3.00 0.0421

4.00 0.0048

5.00 0.0002

probabilities were obtained by entering the values of n equals n=5 and p equals p=0.185. In a clinical test of a? drug, 18.5?% of the subjects treated with 10 mg of the drug experienced headaches. In each? case, assume that 5 subjects are randomly selected and treated with 10 mg of the drug. Find the probability that at least four of the subjects experience headaches.