An Average Computer Mouse Inspector Can Inspect 45 Mice Per

question 51

Multiple Choice

An average computer mouse inspector can inspect 45 mice per hour with a population standard deviation of 14 mice per hour. The 44 computer mice inspectors at a particular factory can only inspect 38 mice per hour. Does the company have reason to believe that these inspectors are slower than average at α = 0.10?

• A) Yes, because the test value -3.32 falls in the noncritical region.
• B) No, because the test value -1.91 falls in the critical region.
• C) Yes, because the test value -3.32 falls in the critical region.
• D) No, because the test value -1.91 falls in the noncritical region.

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Definitions:

Variable Manufacturing Cost

Costs that vary in direct proportion to changes in production volume, such as raw materials and direct labor.

Variable Selling Cost

Variable selling costs fluctuate with sales volume; they include expenses such as commission and shipping that increase with higher sales.

Constrained Resource

A limited resource within a system that significantly affects the throughput or output of the system.

Special Order

A special order refers to a one-time purchase order often at a discounted price, usually for large quantities that is outside the normal scope of operations.