Question

Steele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research department of Steele reports that 32% of the customers entering the store that indicate they are browsing will, in the end, make a purchase. Let the last 22 customers who enter the store be a sample. a. How many of these customers would you expect to make a purchase? (Round the final answer to the nearest whole number.) Number of Customers _____ b. What is the probability that exactly seven of these customers make a purchase? (Round the final answer to 4 decimal places.) Probability ______c. What is the probability 12 or more make a purchase? (Round the final answer to 4 decimal places.) Probability ______d. Does it seem likely at least one will make a purchase ("likely" refers if the probability is more than 70%)? yes/no

Answer 1