Determine Whether the Events Are Mutually Exclusive

question 130

Multiple Choice

Determine whether the events are mutually exclusive.
-A study of consumer smoking habits includes 168 people in the 18-22 age bracket (48 of whom smoke) , 131 people in the 23-30 age bracket (36 of whom smoke) , and 99 people in the 31-40 age bracket (28 of whom smoke) . If one person is randomly selected from this sample, find the probability of getting someone who is age 18-22 or does not smoke.

• A)1.141
• B)0.714
• C)0.302
• D)0.839

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Definitions:

Return On Total Assets

A financial metric that measures the efficiency of a company in generating profits from its total assets.

Interest Expense

The cost incurred by an entity for borrowed funds, reflected as a finance charge on the income statement.

Net Income

The total profit of a company after all expenses and taxes have been deducted from total revenue.

Return On Equity

This is a measure of financial performance calculated by dividing net income by shareholders' equity, indicating how much profit a company generates with the money shareholders have invested.