A researcher conjectured that 80% of people visit their dentist regularly for checkups. A random sample...

A researcher conjectured that 80% of people visit their dentist regularly for checkups. A random sample of 500 people were surveyed, of which 375 answered that they did visit regularly.

a) Construct a 95% confidence interval for the population proportion that would visit their dentist regularly for a checkup.

b) Use this confidence interval to construct and test the hypothesis that the true proportion in the population is 80%.

Please answer as soon as possible

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Expert Solution

orchestra answered 1 year ago

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