The Population of Lengths of Aluminum-Coated Steel Sheets Is Normally

question 91

Multiple Choice

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches.A sample of four metal sheets is randomly selected from a batch.What is the probability that the average length of a sheet is between 30.25 and 30.35 inches long?

• A).9773
• B).0227
• C).0386
• D).0215

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Definitions:

Replacement Chain Method

A capital budgeting technique that compares different investment projects with unequal lifespans by calculating their equivalent annual cost.

Equivalent Annual Annuity

Equivalent Annual Annuity is a calculation used to compare the annualized cash flows of projects or investments with different durations.

Unequal Lives

Unequal lives refer to the comparison of investments or projects that have different durations or lifespans, complicating the analysis of their profitability or worth.

Positive Cash Flows

A situation where the cash inflows in a given period are greater than the cash outflows, indicating financial health.