The Weight of a Product Is Measured in Pounds $\bar { X }$

question 109

Multiple Choice

The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded $\bar { X }$
= 75 lbs. ,and we know that ?² = 100 lbs.Calculate a 90 percent confidence interval for ?.

• A) \([ 73.19\)\( \quad\)\( \quad\)\(76.81 ]\)
• B) \(\left[ \begin{array} { l l }
• 51.74 & 98.26
• \end{array} \right]\)
• C) \(\left[ \begin{array} { l l }
• 72.67 & 77.33
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l }
• 67.50 & 82.50
• \end{array} \right]\)

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Definitions:

Impaired

A reduction in the recoverable value of an asset below its carrying value on the balance sheet, leading to recognition of an impairment loss.

Market Value

The market value denotes the ongoing rate at which an asset or service can be traded in a marketplace.

Market Value

The present rate at which a service or asset is available for purchase or sale on the open market.

Present Value

Present Value is a financial concept that calculates the current worth of a future sum of money or stream of cash flows given a specified rate of return.