# Question

According to the American Time Use Survey conducted by the Bureau of Labor Statistics (www.bls.gov/atus/), Americans spent an average of 985.50 hours watching television in 2010. Suppose that the standard deviation of the distribution of times that Americans spent watching television in 2010 is 285.20 hours.

a. Using Chebyshev’s theorem, find at least what percentage of Americans watched television in

2010 for

i. 272.50 to 1698.50 hours

ii. 129.90 to 1841.10 hours

b. Using Chebyshev’s theorem, find the interval that contains the time (in hours) that at least 75% of Americans spent watching television in 2010.

a. Using Chebyshev’s theorem, find at least what percentage of Americans watched television in

2010 for

i. 272.50 to 1698.50 hours

ii. 129.90 to 1841.10 hours

b. Using Chebyshev’s theorem, find the interval that contains the time (in hours) that at least 75% of Americans spent watching television in 2010.

## Answer to relevant Questions

Refer to Exercise 3.115. Suppose the times taken to learn the basics of this software program by all students have a bell-shaped distribution with a mean of 200 minutes and a standard deviation of 20 minutes. a. Using the ...A student washes her clothes at a Laundromat once a week. The data below give the time (in minutes) she spent in the Laundromat for each of 15 randomly selected weeks. Here, time spent in the Laundromat includes the time ...During the 2011–12 winter seasons, a homeowner received four deliveries of heating oil, as shown in the following table. Gallons Purchased Price per Gallon ($) 209.......................... ...How much does the typical American family spend to go away on vacation each year? Twenty five randomly selected households reported the following vacation expenditures (rounded to the nearest hundred dollars) during the past ...Refer to the data in Problem 3.140. Two individuals, one from Canada and one from England, are interested in your analysis of these data but they need your results in different units. The Canadian individual wants the ...Post your question

0