Find the Number of Standard Deviations from the Mean

question 78

Multiple Choice

Find the number of standard deviations from the mean. Round your answer to two decimal places.
-The number of hours per day a college student spends on homework has a mean of 6 hours and a standard deviation of 1.25 hours. Yesterday she spent 3 hours on homework. How many standard deviations from the
Mean is that?

• A) 2.40 standard deviations above the mean
• B) 1.20 standard deviations above the mean
• C) 1.20 standard deviations below the mean
• D) 2.40 standard deviations below the mean

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Definitions:

Domestic Corporation

A corporation that is registered and operates within the legal jurisdiction of a specific country.

Dividend

A portion of a company's earnings distributed to shareholders, typically in cash or additional stock.

DRD

Dividends Received Deduction, a tax deduction in the United States that allows corporations to deduct dividends received from their taxable income.

Taxable Income

The amount of income used to calculate how much tax an individual owes to the government, considering all income sources and permissible deductions.