Bluebook试题11 · 第 13 题

Bluebook试题11 · 原库模块 2 · Q13 原库参考解析

A cable provider wanted to know how many of its 30,000 customers would be interested in a new service plan. The provider selected 300 customers at random and asked each customer whether the customer would be interested in the new plan. Of those surveyed, 8 said they would be interested. Which of the following is the best estimate of the total number of customers who would be interested in the new service plan?

Bluebook试题11 · 第 13 题

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