Question

You are told that a random sample of 150 people from Iowa has been given cholesterol tests, and 60 of these people had levels over the “safe” count of 200.

Construct a 95% confidence interval for the appropriate population parameter of people in Iowa with cholesterol levels over 200.

Hint: Create a summary table of counts, prepare a well formated and labeled spreadsheet. Save the spreadsheet with a unique name (perhaps including your name and subject).

​Report your final interval explaining the steps that you used to reach the result. Interpret the results of the interval in context with a full and complete sentence.

use excel spreadsheet

Answer 1

Ans:

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