Use the binomial formula to calculate:

Thirty percent of all customers who enter a store will make a purchase. Suppose that six customers enter the store and that these customers make independent purchase decisions.

a.The probability that exactly five customers make a purchase.

b.The probability that at least three customers make a purchase.

c.The probability that two or fewer customers make a purchase.

d.The probability that at least one customer makes a purchase

e.What is the Expected Value (mean)

f.What is the Standard Deviation?