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Mathematics, 18.06.2020 19:57 PerfectMagZ
The Office of Student Services at UNC would like to estimate the proportion of UNC's 28,500 students who are foreign students. In their random sample of 50 students, 4 are foreign students. Unknown to them, the proportion of all UNC students that are foreign students is 0.061. For each student, let x=1 if the student is foreign and let x=0 if the student is from the U. S.Find the mean and the standard deviation of the sampling distribution of the sample proportion for a sample of size 50.
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