A Study Was Conducted to Determine If People Consume More $\mu \mathrm { TV } - \mu ,$

question 29

Multiple Choice

A study was conducted to determine if people consume more calories when they eat dinner while watching television.A random sample of ten people was selected to eat dinner one night in the dining room and the next night while watching television in the family room.The caloric content of their dinners was measured,and a 98% confidence interval for the difference in the means with and without the television, $\mu \mathrm { TV } - \mu ,$ was determined to be (-80,220) .

• A)Based on this sample,we know that 98% of people eat between 80 fewer and 220 more calories when they eat dinner in front of the television compared to dinner in the dining room.
• B)Based on this sample,we are 98% confident that the average caloric content is between 80 fewer and 220 more calories when people eat dinner in front of the television compared to dinner in the dining room.
• C)We are 98% confident that a randomly selected person will eat between 80 calories fewer and 220 calories more for dinner in front of the television compared to dinner in the dining room.
• D)Based on this sample,we know that 98% of people eat between 80 and 220 fewer calories when they eat dinner in front of the television compared to dinner in the dining room.
• E)We know that 98% of all random samples done on the population will show that the difference in the mean caloric content between dinner with and without television is between 80 calories fewer and 220 calories more.

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Definitions:

Cash Account

An account that tracks the amount of cash available at any given point in time; it reflects all cash inflows and outflows.

Raw Materials Purchases

This refers to the total cost incurred by a company to buy the raw materials needed for production.

Gallons

This term refers to a unit of volume measurement, commonly used in the United States to measure liquids.

Fixed Manufacturing Overhead

The portion of total manufacturing overhead costs that do not vary with the level of production or output.