Top Posters
Since Sunday
k
4
4
c
4
M
3
t
3
i
3
B
3
k
3
m
3
c
3
o
3
l
3

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

wrote...
Posts: 137
Rep:
3 weeks ago
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.

If we want a margin of error of 0.5 hours, how large of a sample would we need?

▸ 960 people

▸ 944 people

▸ 953 people

▸ 952 people
Textbook

## Statistics: Unlocking the Power of Data

Edition: 3rd
Authors:
Replies
Answer verified by a subject expert
chevy87chevy87
wrote...
Posts: 140
Rep:
3 weeks ago

### Related Topics

wallyboy Author
wrote...

3 weeks ago
wrote...

Yesterday
 Thanks
wrote...

2 hours ago
 Just got PERFECT on my quiz
Explore
872 People Browsing
Related Images

194

358

937