The management of a health insurance company wants to know the percentage of its policyholders who have tried alternative treatments (such as acupuncture, herbal therapy, etc.). A random sample of 24 of the company€™s policyholders was asked whether or not they have ever tried such treatments. The following are their responses.

a. What is the point estimate of the corresponding population proportion?
b. Construct a 99% confidence interval for the percentage of this company€™s policyholders who have tried alternative treatments.

Transcribed Image Text:

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