A fast-food restaurant has determined that the chance a customer will order a so

Question

A fast-food restaurant has determined that the chance a customer will order a soft drink is 0.75. The probability that a customer will order a hamburger is 0.40. The probability that a customer will order French fries is 0.50.

a. If a customer places an order, what is the probability that the order will include a soft drink and

no fries if these two events are independent?

b. The restaurant has also determined that if a customer orders a hamburger, the probability the customer will also order fries is 0.85. Determine the probability that the order will include a hamburger and fries

Explanation / Answer

a. 0.75

b. 0.5+.04-0.85=0.05

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