Statistics
posted by Din123 .
A simple random sample of 50 students is taken from a class of 300 students. In the class,
* the average midterm score is 67 and the SD is 12
* there are 72 women
Let W be the number of women in the sample, and let S be the average midterm score of the sampled students.
1  Find E(W)
2  Find SE(W)
3  Find E(S)
4  Find SE(S)
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