Use the Confidence Level and Sample Data to Find a Confidence

question 141

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ. Round your answer to the same number of decimal places as the sample mean.
-A random sample of 136 full-grown lobsters had a mean weight of 22 ounces and a standard deviation of 3.2 ounces. Construct a 98% confidence interval for the population mean µ.

• A) \(22 \mathrm { oz } < \mu < 24 \mathrm { oz }\)
• B) \(21 \mathrm { oz } < \mu < 23 \mathrm { oz }\)
• C) \(20 \mathrm { oz } < \mu < 22 \mathrm { oz }\)
• D) \(21 \mathrm { oz } < \mu < 24 \mathrm { oz }\)

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Definitions:

Net Capital Outflow

The difference between the domestic savings and investment in a country, indicating the amount of money flowing out of the country to invest abroad minus the inflow.

Net Exports

The value of a country's total exports minus the value of its total imports; a component of a country's GDP.

Farm Equipment

Machinery and tools used in the farming industry for the purposes of planting, harvesting, and caring for crops.

Net Exports

The difference between the value of a country's exports and the value of its imports.