Suppose a Sample of N = 50 Items Is Drawn

question 73

Multiple Choice

Suppose a sample of n = 50 items is drawn from a population of manufactured products and the weight,X,of each item is recorded.Prior experience has shown that the weight has a probability distribution with μ = 180 grams and σ = 75 grams.Which of the following is true about the sampling distribution of the sample mean if a sample size of 15 is selected?

• A) The shape of the sample distribution is approximately normal.
• B) The standard deviation of the sampling distribution is 75 grams.
• C) The mean of the sampling distribution is 180 grams.
• D) All of the above are correct.

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Definitions:

Cash Conversion Cycle

A metric that shows the time span between a company's outlay of cash for raw materials and receiving payment from its customers, effectively measuring the time each net input dollar is tied up in the production and sales process.

Long-term Capital

Funds or assets held by a company for more than one year, used for financing long-term projects or investments.

Operating Working Capital

The difference between a company's current assets and current liabilities, excluding short-term debt. It reflects the funds that a business requires for day-to-day operations.

Effective Annual Cost

The total cost of borrowing on an annual basis, including interest and any fees, expressed as a percentage of the loan amount.