#### A PHP Error was encountered

Severity: Notice

Message: Undefined index: userid

Filename: views/question.php

Line Number: 212

Backtrace:

File: /home/noqkocv1izd6/public_html/application/views/question.php

Line: 212

Function: _error_handler

File: /home/noqkocv1izd6/public_html/application/controllers/Questions.php

Line: 416

Function: view

File: /home/noqkocv1izd6/public_html/index.php

Line: 315

Function: require_once

## Suppose you took a sample of 25 men, what is the probability that their mean height is greater than 69 inches?

The heights of American men aged 18 to 24 are normally distributed with a mean of 68 and a standard deviation of 2.8 inches. Answer the following questions.

Half of all young men are taller than ?

About 95% of all young men have heights between ?

What is the probability that a man selected at random will have a height above 72 inches?

Suppose you took a sample of 25 men, what is the probability that their mean height is greater than 69 inches?