Mathematics, 01.03.2021 22:20 27lcasselberry

Fifty percent of the customers who go to Sears Auto Center for tires buy four tires and 30% buy two tires. Moreover, 18% buy fewer than two tires, with 5% buying none. Required:
a. What is the probability that a customer buys three tires?
b. Construct a cumulative probability distribution for the number of tires bought.

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