Question: A physician with a practice is currently serving 300patients. The physician would like to administer a survey to his patients to measure their satisfaction level

A physician with a practice is currently serving 300patients. The physician would like to administer a survey to his patients to measure their satisfaction level with his practice. A random sample of 23patients had an average satisfaction score of 7.5on a scale of1-10. The sample standard deviation was 1.8.Complete parts a and b below.

a. Construct a99% confidence interval to estimate the average satisfaction score for thephysician's practice. The99% confidence interval to estimate the average satisfaction score is (?,?) (question asks to find the two question marks)

b. What assumption needs to be made for thisanalysis? (multiple choice) A.The sample size is less than5% of the population.B.The population standard deviation is known.C.The population is normally distributed.D.There are no assumptions needed for this analysis.

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