Question: A large community college district has 1000 teachers of whom

A large community college district has 1000 teachers, of whom 50% are men and 50% are women. In this district, administrators are promoted from among the teachers. There are currently 50 administrators, and 70% of these administrators are men.
a. If administrators are selected randomly from the faculty, what is the approximate probability that the percentage of male administrators will be 70% or more?
b. If administrators are selected randomly from the faculty, what is the approximate probability that the percentage of female administrators will be 30% or less?
c. How are part a and part b related?
d. Do your answers suggest that it is reasonable to believe the claim that the administrators have been selected randomly from the teachers? Answer yes or no, and explain your answer.

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  • CreatedJuly 16, 2015
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