Emails us- Call US

Assignment help 1863

5.2.4 The serum cholesterol levels of a population of 12-to 14-year-olds follow a normal

distribution with mean 155 mg/dl and standard deviation 27 mg/dl


What percentage of the 12- to 14-year-olds have serum cholesterol values

between 145 and 165 mg/dl?


Suppose we were to choose at random from the population a large number of

groups of nine 12- to14-year-olds each. In what percentage of the groups

would the group mean cholesterol value be between 145 and 165?


If ? represents the mean cholesterol value of a random sample of nine

12- to 14-year-ols form the population, what is Pr? 145 ? ? ? 165]?


15% off for this assignment.

Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!

Why US?

100% Confidentiality

Information about customers is confidential and never disclosed to third parties.

Timely Delivery

No missed deadlines – 97% of assignments are completed in time.

Original Writing

We complete all papers from scratch. You can get a plagiarism report.

Money Back

If you are convinced that our writer has not followed your requirements, feel free to ask for a refund.