A Population with a Mean of 1,250 and a Standard

question 31

Multiple Choice

A population with a mean of 1,250 and a standard deviation of 400 is known to be highly skewed to the right. If a random sample of 64 items is selected from the population, what is the probability that the sample mean will be less than 1,325?

• A) 0.8981
• B) 0.8141
• C) 0.7141
• D) 0.9332

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Definitions:

Fixed Manufacturing Overhead

Consistent costs incurred during the manufacturing process that do not change with the amount of production, like factory rent and salaries of permanent staff.

Job-Order Costing System

An accounting system that accumulates costs by specific jobs or orders, suitable for manufacturing or service processes that are distinctively identifiable.

Predetermined Overhead Rate

A rate calculated before a period begins, used to allocate overhead costs to products or job orders based on a certain activity base.

Automated Bandsaw

A machine equipped with a continuously looped, serrated blade for cutting materials, operated through computer or programmable logic controls.