The National Science Foundation reports that 70% of the U.S. graduate students who earn PhD degrees in

Question:

The National Science Foundation reports that 70% of the U.S. graduate students who earn PhD degrees in engineering are foreign nationals. Consider the number Y of foreign students in a random sample of 25 engineering students who recently earned their PhD.
a. Find P(Y = 10).
b. Find P(Y ≤ 5).
c. Find the mean m and standard deviation s for Y.
d. Interpret the results, part c.

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