1.A survey of 85 randomly selected homeowners finds that they spend a mean of $67 per month...

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1.A survey of 85 randomly selected homeowners finds that they spend a mean of $67 per month on internet. Assume that the population standard deviation is $14 per month.

a)Construct and interpret a 99% confidence interval estimate for the mean amount of money spent per month on internet by all homeowners.

b)Does the confidence interval support that internet costs more than $60 per month? Why or why not?

Posted Date: Jun 26, 2024 04:14 PM

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1.A survey of 85 randomly selected homeowners finds that they spend a mean of $67 per month...

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