A company sends an email advertisement to all registered customers. Because many of the emails go straight to the recipients’ junk mailboxes, there is a 0.78 probability that the email is received. Given the email is received, there is a 0.18 probability that the customer unsubscribes. If the email is not received, there is a 0.01 probability that the customer unsubscribes.

Let A = email is received.

Let B = customer unsubscribes.



What is P(A and B)?

A. 0.0021
B. 0.1404
C. 0.2079
D. 0.6396

ANSWER IS B