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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Related Book For
Statistics For Engineering And The Sciences
ISBN: 9781498728850
6th Edition
Authors: William M. Mendenhall, Terry L. Sincich
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