# Question: A Nielsen study indicates that 18 to 24 year olds

A Nielsen study indicates that 18- to 24- year olds spend a mean of 135 minutes watching video on their smartphones per month. (Data extracted bit. ly/ 1hF3BP2.) Assume that the amount of time watching video on a smartphone per month is normally distributed and that the standard deviation is 15 minutes.

a. What is the probability that an 18- to 24- year- old spends less than 112 minutes watching video on his or her smartphone per month?

b. What is the probability that an 18- to 24- year- old spends between 112 and 158 minutes watching video on his or her smart-phone per month?

c. What is the probability that an 18- to 24- year- old spends more than 158 minutes watching video on his or her smartphone per month?

d. One percent of all 18- to 24- year- olds will spend less than how many minutes watching video on his or her smartphone per month?

a. What is the probability that an 18- to 24- year- old spends less than 112 minutes watching video on his or her smartphone per month?

b. What is the probability that an 18- to 24- year- old spends between 112 and 158 minutes watching video on his or her smart-phone per month?

c. What is the probability that an 18- to 24- year- old spends more than 158 minutes watching video on his or her smartphone per month?

d. One percent of all 18- to 24- year- olds will spend less than how many minutes watching video on his or her smartphone per month?

## Relevant Questions

According to a special issue of Beverage Digest (bit. ly/ 1e9ORS3), the U. S. per capita consumption of soft drinks in 2013 was 42.2 gallons. Assume that the per capita consumption of soft drinks in the United States is ...As player salaries have increased, the cost of attending basketball games has increased dramatically. The file NBA Cost2013 contains the cost of four averaged- priced tickets, two beers, four soft drinks, four hot dogs, two ...What are some of the distinguishing properties of a normal distribution? The evening manager of a restaurant was very concerned about the length of time some customers were waiting in line to be seated. She also had some concern about the seating timesâ€” that is, the length of time between when ...Consumers spent an average of $ 14.99 on a meal at a restaurant in 2013. (Data extracted from bit. ly/ 1hObH22.) Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $ ...Post your question