It Is Known That the Population Variance Equals 484

question 20

Multiple Choice

It is known that the population variance equals 484.With a .95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is

• A) 190.
• B) 74.
• C) 189.
• D) 75.

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Definitions:

Initial Investment

The amount of money used to start an investment project or venture.

Mutually Exclusive

A situation where the occurrence of one event means the other cannot occur at the same time.

NPV

Net Present Value, a calculation used to assess the profitability of an investment, considering the time value of money.