Due to the popularity of smart watches and activity trackers, walking for fitness purposes is becoming more and more common. A random sample of 23 Americans is selected and their walking distances on a certain day are recorded. The sample had a mean walking distance of 2.2 miles and a standard deviation of 1.3 miles. Find a 95% confidence interval for the mean distance walked by Americans per day. You may assume that the variable is normally distributed. You must write a sentence interpretation that is specific to this problem.

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step-by-step explanation:

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answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

the answer should be:

a. 3, 4, and 6

b. 18, 24, and 36

c. 4.8, 6.4, and 9.6

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-lavira : )