Suppose a Normal Model Describes the Number of Pages Printer

question 741

Multiple Choice

Suppose a Normal model describes the number of pages printer ink cartridges last. If we keep track
Of printed pages for the 47 printers at a company's office, which must be true?
I. The page counts for those ink cartridges will be normally distributed.
II. The histogram for those page counts will be symmetric.
III. 95% of those page counts will be within 2 standard deviations of the mean.

• A) II only
• B) II and III
• C) I, II, and III
• D) none of these
• E) I only

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Definitions:

Interest

The charge for borrowing money, typically expressed as an annual percentage rate, or the income earned from investing funds.

Sunk Cost

A sunk cost refers to money already spent and permanently lost, which cannot be recovered and should not impact future business decisions.

Externality

A cost or benefit that affects a party who did not choose to incur that cost or benefit, often seen in environmental and public goods scenarios.

After-tax Proceeds

The net amount received after taxes are deducted from the gross proceeds of a sale or transaction.