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Posted: **Mon Jul 11, 2022 11:24 am**

: Watch Your Cholesterol The Mean Serum Cholesterol Level For U S Adults Was 204 With A Standard Deviation Of 42 5 The 1 (12.2 KiB) Viewed 41 times

: Watch Your Cholesterol The Mean Serum Cholesterol Level For U S Adults Was 204 With A Standard Deviation Of 42 5 The 2 (10.69 KiB) Viewed 41 times

: Watch Your Cholesterol The Mean Serum Cholesterol Level For U S Adults Was 204 With A Standard Deviation Of 42 5 The 3 (26.01 KiB) Viewed 41 times

Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 204, with a standard deviation of 42.5 (the units are milligrams per deciliter). A simple random sample of 112 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places.

Part 3 of 3 Would it be unusual for the sample mean to be less than 197?

Part 2 of 3 What is the probability that the sample mean cholesterol level is between 192 and 202? The probability that the sample mean cholesterol level is between 192 and 202 is 0.7720