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A university financial aid office polled a random sample of 805 undergraduate students and 733 graduate students. Each of the students
was asked whether or not they were employed during the previous summer. 533 of the undergraduate students and 524 of the
graduate students said that they had worked during the previous summer. Give a 90 % confidence interval for the difference between
the proportions of undergraduate and graduate students who were employed during the summer.
Step 1 of 3: Find the point estimate that should be used in constructing the confidence interval. Round your answer to three decimal
places.
Sagot :
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