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A university financial aid office polled a random sample of 528 528 male undergraduate students and...

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Statistics

A university financial aid office polled a random sample of 528528 male undergraduate students and 651 651 female undergraduatestudents. Each of the students was asked whether or not they wereemployed during the previous summer. 295 295 of the male studentsand 463 463 of the female students said that they had worked duringthe previous summer. Give a 80% 80% confidence interval for thedifference between the proportions of male and female students whowere employed during the summer.

Step 2 of 4 :

Find the critical value that should be used in constructing theconfidence interval.

Answer & Explanation Solved by verified expert
4.2 Ratings (857 Votes)
At 80 confidence interval the critical value is z01 128 295528    See Answer
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