## Related questions with answers

According to the Gallup Poll, $27\%$ of U.S. adults have high levels of cholesterol. Gallup reports that such elevated levels "could be financially devastating to the U.S. healthcare system" and are a major concern to health insurance providers. According to recent analyses, cholesterol levels in healthy U.S. adults average about $215 \mathrm{mg} / \mathrm{dL}$ with a standard deviation of about $30 \mathrm{mg} / \mathrm{dL}$ and are roughly Normally distributed. If the cholesterol levels of a sample of 42 healthy U.S. adults are taken, what is the probability that the mean cholesterol level of the sample:

c) Will be less than 200?

Solution

VerifiedIn this exercise, we are tasked to determine the probability that the mean cholesterol level of the 42 samples will be less than 200 mg/dL.

## Create an account to view solutions

## Create an account to view solutions

## Recommended textbook solutions

#### Business Statistics: Communicating with Numbers

2nd Edition•ISBN: 9780078020551Alison Kelly, Sanjiv Jaggia#### Basic Business Statistics: Concepts and Applications

12th Edition•ISBN: 9780132168380 (15 more)David M. Levine, Mark L. Berenson, Timothy C. Krehbiel#### Basic Business Statistics: Concepts and Applications

13th Edition•ISBN: 9780321870025 (2 more)David M. Levine, Kathryn A. Szabat, Mark L. Berenson#### Business Statistics

3rd Edition•ISBN: 9780321925831 (3 more)Norean D. Sharpe, Paul Velleman, Richard D. De Veaux## More related questions

1/4

1/7