Find and Interpret the Confidence Interval

question 24

Multiple Choice

Find and interpret the confidence interval.
-Recent statistics report that the national rate of unemployment among persons with
Disabilities is 14.5%. The local government of a small city samples 200 individuals with
Disabilities and finds that 44 are unemployed. The 99% confidence interval for the
Unemployment rate among persons with disabilities in their city is

• A) 0.1646 to 0.2754
• B) 0.1735 to 0.2665
• C) 0.1446 to 0.2954
• D) 0.1332 to 0.3298
• E) 0.1145 to 0.4374

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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.