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10th Edition

Ron Larson

Publisher: Cengage Learning

ISBN: 9781305860919

Chapter 9.3, Problem 54E

Textbook Problem

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**Wages** The employees of a large corporation are paid an average wage of $14.50 per hour with a standard deviation of $1.50. Assume that these wages are normally distributed.

(a) Use a symbolic integration utility to approximate the percent of employees who earn hourly wages of $11 to $14.

(b) Are 20% of the employees paid more than $16 per hour?

**(a)**

To determine

**To calculate:** The approximate percentage of employee who is earning hourly wages of

**Given Information:**

The employee of a corporation paid an average of

**Formula used:**

The normal probability density function is given by,

Where,

**Calculation:**

Consider the provided probability density function,

From the provided information the value of the mean is

Now, substitute the values of mean

**(b)**

To determine

Whether

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