Used photocopy machines are returned to the supplier, cleaned, and then sent back out on lease agreements. Major repairs are not made, and as a result, some customers receive malfunctioning machines. Among twenty used photocopiers available today, five are malfunctioning. A customer wants to lease six machines immediately. To meet the customer's deadline, six of the twenty machines are randomly selected and, without further checking, shipped to the customer.

A) What is the probability that the customer receives more than one malfunctioning machine? Round your answer to four decimal places.

B) What is the expected number of the malfunctioning machines in a sample of size six?