The Weight of a Product Is Measured in Pounds

question 4

Multiple Choice

The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded = 75 lbs. ,and we know that σ² = 100 lbs.Calculate a 95 percent confidence interval for μ.

• A)[71.25,78.75]
• B)[72.23,77.77]
• C)[47.28,102.72]
• D)[72.67,77.33]

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Definitions:

Present Value

The contemporary financial worth of a looming sum of money or sequence of cash flows, with a specific rate of return in mind.

Annuity's Payments

Regular fixed payments from an annuity contract, typically made to the holder for life or a specified period.

Mortgage Loan

A loan secured by the collateral of specified real estate property, which the borrower is obliged to pay back with a predetermined set of payments.

Compounded Monthly

Interest calculation method where interests earned themselves earn interest, recalculated on a monthly basis.