A health insurance company wants to know the percentage of its policyholders, who have tried alternative...

A health insurance company wants to know the percentage of its policyholders, who
have tried alternative (e.g. herbal) treatments. A random sample of 25 of the company’s policyholders
were asked whether or not (Yes or No) they have ever tried such treatment. Below are their responses:

Yes Yes No Yes Yes Yes Yes No Yes Yes Yes No No No No No No Yes
No No Yes Yes No Yes No

a. What is the point estimate of the corresponding population proportion?
b. Construct a 96% confidence interval for the percentages of this company’s policyholders who
have tried alternative treatments.
c. Interpret the confidence interval.

Expert Solution

orchestra answered 2 years ago

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