Chapter 3.2, Problem 3.39E

To determine

To drew the sketch of the normal curve and then show the 68-95-99.7.

Answer to Problem 3.39E

Explanation of Solution

Given:

  $\begin{array}{l}\mu =65\text{ inches}\\ \sigma =2.5\text{ inches}\end{array}$

Concept used:

As per empirical rule

1. 68% of the data falls within one standard deviation from the mean.
2. 95% of the data falls within two standard deviations from the mean.
3. 99.7% of the data falls within three standard deviations from the mean.

Graph: