Suppose the Population Standard Deviation Equals 10

question 105

Multiple Choice

Suppose the population standard deviation equals 10. What is the sample size needed to estimate, with 95% confidence, a population mean within 1.5 units of its true value?

• A) 171
• B) 121
• C) 54
• D) 13

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The total satisfaction a product yields.

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The additional satisfaction or benefit (utility) a consumer gains from consuming one more unit of a good or service.