Use Technology to Solve the Following Problem: the Lifetime of a Certain

question 106

Multiple Choice

Use technology to solve the following problem: The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean $\mu = 40$ and standard deviation $\sigma = 6$ . What Proportion of tires have lifetimes greater than 32 thousand miles?

• A) 0.9544
• B) 0.9088
• C) 0.0456
• D) 0.0912

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Definitions:

Charitable Contributions

Charitable contributions are donations or gifts made to qualifying nonprofit organizations, which can be tax-deductible for the donor, depending on the amount and the donor's tax status.

Schedule A

A form used to report itemized deductions on the IRS Form 1040, such as medical expenses, taxes paid, and charitable contributions.

Form 1040

The customary form from the IRS used by people to submit their yearly income tax filings.

Itemized Deductions

Deductions allowed on personal income tax returns for specific expenses, as opposed to taking a standard deduction.