# Question

A small business performs a service and then bills its customers. From past experience, 90% of the customers pay their bills within a week.

a. What is the probability that a randomly selected customer will not pay within a week?

b. The business has billed two customers this week. What is the probability that neither of them will pay within a week? What assumption did you make to compute that probability? Is it a reasonable assumption?

a. What is the probability that a randomly selected customer will not pay within a week?

b. The business has billed two customers this week. What is the probability that neither of them will pay within a week? What assumption did you make to compute that probability? Is it a reasonable assumption?

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