A hypothetical university has 2 departments A and B. There are 2000 male applica

Question

A hypothetical university has 2 departments A and B. There are 2000 male applicants, of whom half apply to each department. There are 1, 100 female applicants. 100 apply to department A and 1,000 to department B. Department A admits 60% of the men and 60% of the women who apply. Department B admits 30% of the men and 30% of the women who apply. "For each department, the percentage of men admitted equals the percentage of women admitted: this must be so for both departments together." True or false, and explain briefly. In the Salk polio vaccine trial, suppose they had given the vaccine to everyone, and the incidence of polio went down. Would this have shown that the vaccine was effective? (Give a reason for your answer.)

Explanation / Answer

2) Yes it would mean that as we are taking whole population on the trial. If we had taken only a sample like 20 or 30 people then may be we couldnot have been sure but if we take whole population we are almost sure.

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