X Is a Normally Distributed Random Variable with a Mean

question 24

Multiple Choice

x is a normally distributed random variable with a mean of 24 and a standard deviation of 6. The probability that x is less than 11.5 is

• A) 0.0186.
• B) 0.9814.
• C) 0.0076.
• D) 0.9924.

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Definitions:

Variable Overhead Rate Variance

The difference between the actual variable overhead incurred and the expected variable overhead based on standard cost accounting.

Variable Overhead Rate Variance

The difference between the actual variable overhead incurred and the expected variable overhead based on the predetermined rate.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a specific product and included in the direct costs of production.

Variable Overhead

Costs that vary with the level of production or business activity, such as utilities or indirect materials.