# Question

Out of 140 million cellular telephone subscribers in the United States, 36 million use Verizon.6

a. Ten wireless customers are chosen. Under what conditions is the number of Verizon customers a binomial random variable?

b. Making the required assumptions above, find the probability that at least two are Verizon customers.

a. Ten wireless customers are chosen. Under what conditions is the number of Verizon customers a binomial random variable?

b. Making the required assumptions above, find the probability that at least two are Verizon customers.

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