Before a New Phone System Was Installed, the Amount a Company

question 70

Multiple Choice

Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $700 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses) . Find the probability that a randomly selected month had PCE's below $550.

• A) 0.0013
• B) 0.7857
• C) 0.2143
• D) 0.9987

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Definitions:

Medical Expenses

Amounts paid for the diagnosis, cure, mitigation, treatment, or prevention of disease, or amounts paid for treatments affecting any part or function of the body.

Itemized Deductions

Deductions from taxable income that are individually listed on a tax return, allowing taxpayers to reduce their taxable income by specific allowable expenses.

AMT

Alternative Minimum Tax, a parallel tax system in the United States designed to ensure that individuals and corporations pay a minimum level of income tax.

Miscellaneous Deductions

Miscellaneous Deductions are tax deductions not classified under standard deductions or itemized deductions, often subject to thresholds and limitations.