Question

In: Statistics and Probability

2.            The proportion of people who wait more than an hour at the Social Security Office is...

2.            The proportion of people who wait more than an hour at the Social Security Office is 28%. Use this information to answer the following questions:

A.            If you randomly select 45 people what is the probability that at least 34% of them will wait more than an hour?

B.            If you randomly select 60 people what is the probability that between 25% and 30% of them will wait more than an hour?

C.            If you randomly select 150 people what is the probability that less than 23% of them will wait more than an hour?

Solutions

Expert Solution

Let p denotes the true proportion of people who will wait more than an hour.

A)

B)

C)


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