Essay
Use the following
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?
Correct Answer:
Verified
= 959.02
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Correct Answer:
Verified
= 959.02...
View Answer
Unlock this answer now
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