0.4 of students are women and gpa for women

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Reference no: EM13168526

0.4 of students are women and gpa for women has mean of 3 and sd 0.8; Gpa for men has mean of 2.5 and sd of 1.0. a sample size of 100 students which consist 40 women and 60 men.

Let X be the mean gpa for the sample size of 100 students.

Find E(X), and Var(X)

Reference no: EM13168526

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