Question
44 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.) Probability _____ (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.) probability _______
Explanation / Answer
From statistical software output, the answers for each of the problem will be:
1) 0.0554
2) 0.5382
3) 0.4618
4) 0.9692