Catherine Chao, Director of Marketing Research, Needs a Sample of Ottawa

question 89

Multiple Choice

Catherine Chao, Director of Marketing Research, needs a sample of Ottawa households to participate in the testing of a new toothpaste package.If 40% of the households in Ottawa prefer the new package, the probability that Catherine's random sample of 300 households will have a sample proportion between 0.35 and 0.45 is ___.

• A)0.9232
• B)0.0768
• C)0.4616
• D)0.0384
• E)0.8976

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Definitions:

Original Cost

The initial monetary value of an asset or item when it was first acquired by a company or individual.

Cash

Money in the form of coins or notes, as opposed to checks, credit, or other forms of payment.

Loss

The negative financial result from a business’s operations or transactions when costs and expenses exceed revenues.

Net Income

The amount of money left after all expenses, taxes, and costs have been subtracted from total revenue, indicating the profit earned by a company.