Backyard Retreats, Inc. sells exclusive line of pools, hot tubs, and spas. It is situated just off the Bee Line Expressway in Orlando, FL. The owner reports twenty percent of the customers entering the store will make the purchase of at least $50. Assume 15 customers enter the store before 10am on a particular Saturday.
a) How many of these customers would you anticipate to make a purchase of at least $50?
b) Determine the probability exactly five of these customers make a purchase of at least $50.
c.) Compute the probability at least five of these customers make a purchase of at least $50?
d.) Calculate the probability at least one customer makes a purchase of at least $50?