Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Watch your cholesterol : The mean serum cholesterol level for U.S. adults was 200 with a standard deviation of 40.6 (the units are milligrams per

Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 200 with a standard deviation of 40.6

(the units are milligrams per deciliter). A simple random sample of 106 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places.

Part 1 of 3

What is the probability that the sample mean cholesterol level is greater than

210

?

The probability that the sample mean cholesterol level is greater than

210

is

.

Part 2 of 3

What is the probability that the sample mean cholesterol level is between

189

and

197

?

The probability that the sample mean cholesterol level is between

189

and

197

is

.

Part 3 of 3

Would it be unusual for the sample mean to be less than

196

?

It (Choose one) be unusual for the sample mean to be less than

196

, since the probability is

.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_step_2

Step: 3

blur-text-image_step3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Students also viewed these Mathematics questions