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# Use the following to answer the questions below:An Internet provider contacts a random sample of 300 ...

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Use the following to answer the questions below:

An Internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. The responses are summarized in the provided dotplot. The average amount of time spent on the Internet per week was 7.2 hours, with a standard deviation of 7.9 hours.

Construct a 95% confidence interval for the average amount of time customers of this Internet provider spend on the Internet each week. Round the margin of error to one decimal place.

▸ 5.7 to 8.7 hours

▸ 6.3 to 8.1 hours

▸ 6.0 to 8.4 hours

▸ 5.5 to 8.9 hours
Textbook

## Statistics: Unlocking the Power of Data

Edition: 3rd
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alpha987alpha987
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