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Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1048 parents of...

Translate the statement into a confidence interval. Approximate the level of confidence.

In a survey of 1048 parents of children ages​ 8-14, 75​% say they are willing to get a second or​ part-time job to pay for their​ children's college education and 45​% say they lose sleep worrying about college costs. The​ survey's margin of error is plus or minus±3​%.

Use the results from the survey about getting a second or​ part-time job.

The confidence interval for the proportion is

left parenthesis nothing comma nothing right parenthesis,.

​(Round to three decimal places as​ needed.)

Use the results from the survey about getting a second or​ part-time job.

The interval is a nothing​% confidence interval.

​(Round to one decimal place as​ needed.)

Use the results from the survey about losing sleep.

The confidence interval for the proportion is

left parenthesis nothing comma nothing right parenthesis,.

​(Round to three decimal places as​ needed.)

Use the results from the survey about losing sleep.

The interval is a

nothing​%

confidence interval.

​(Round to one decimal place as​ needed.)

0 0
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Answer #1

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