The Mean Weight of a Group of Boys Is 150

question 8

Multiple Choice

The mean weight of a group of boys is 150 lb, with a standard deviation of 20 lb. If the weights are normally distributed, find the probability that one of the boys picked at random from the group weighs more than 178 lb. Use a table of the standard normal distribution to solve the problem. Round your answer to four decimal places. ​

• A)​0.9192
• B)​0.4192
• C)​0.4278
• D)​0.2318
• E)​0.0808

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Definitions:

Production Manager

A professional responsible for overseeing the production process, ensuring efficiency, meeting production targets, and maintaining quality standards.

Purchasing Agent

An individual or company responsible for buying goods and services for another company or organization.

Fixed Overhead Volume Variance

Fixed overhead volume variance is the difference between the budgeted and actual volume of production, multiplied by the fixed overhead rate, indicating efficiency in production volume.

Predetermined Fixed Overhead Rate

A rate used to allocate fixed overhead costs to produced goods, based on estimated costs and activity levels.