40 percent of all customers who enter a store will make a purchase. Suppose that 6 customers enter the store and that these customers make independent purchase decisions. :1} Use the binomial formula to calculate the probability that exactly five customers make a purchase. {Round your answer to 4 decimal places} Pnohahiityr (2} Use the binomial formula to calculate the probability that at least three customers make a purchase. {Round your answer to 4 decimal places} Probability (3} Use the binomial formula to calculate the probability that two or fewer customers make a purchase. [Round your answer to 4 decimal places} Probability (4} Use the binomial formula to calculate the probability that at least one customer makes a purchase. {Round your answer to 4 decimal places} i Prohabiityr