Use the information given in the following paragraph to follow. answer the four

Question

Use the information given in the following paragraph to follow. answer the four questions that A university financial aid 763 female under during the previous su office polled a random sample of 832 male undergraduate students and ate students, Each student was asked whether or not they were employed mmer. 628 of the male students and 451 of the female students said that the red durm had between the during the previous summer. Give a 95% confidence interval for the difference eproportions of male and female students employed, the previous summer

Explanation / Answer

For 95% confidence, z = 1.96

Hence,

Upper bound of confidence interval

= (628/832 - 451/763) + 1.96*0.028

= 0.219

Option A is correct.

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