The Jack In The Box franchise in Bangor, Maine, has determined that the chance a customer will order a soft drink is 0.90. The probability that a customer will order a hamburger is 0.60. The probability that a customer will order french fries is 0.50. The restaurant has also determined that if a customer orders a hamburger, the probability the customer will also order fries is 0.80. Determine the probability that the order will include a hamburger and fries.
A) 0.45
B) 0.58
C) 0.68
D) 0.48

Question

Quizplus · Accepted Answer

The probability that a customer orders a hamburger and fries is the probability of ordering a hamburger multiplied by the conditional probability of ordering fries given a hamburger: 0.60 * 0.80 = 0.48.

The Jack in the Box Franchise in Bangor, Maine, Has