Use the Appropriate Probability Model (Uniform)

question 20

Multiple Choice

Use the appropriate probability model (Uniform) .
-Suppose that incoming calls per hour to a customer service center of a small credit
Union are uniformly distributed between 0 and 6 calls. The probability that at least 3 calls
Are received per hour is

• A) 3 / 6.
• B) 4 / 7.
• C) 3 / 7.
• D) 4 / 6.
• E) 1 / 6.

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Definitions:

Actual Direct Labor Rate

The actual amount paid per hour to workers who are directly involved in the production of goods or services.

Labor Rate Variance

The difference between the actual cost of direct labor and the standard cost, indicating how well the company is managing its labor costs.

Direct Labor Standards

The expected amount of time and wage rate for workers to complete a unit of production.

Labor Efficiency Variance

A measure of the difference between the actual hours worked and the standard hours expected to produce a certain level of output.