SOLUTION: In a survey of nursing students pursuing a master’s degree, 75 percent stated that they expect to be promoted to a higher position within one month after receiving the degree. If

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Question 1160686: In a survey of nursing students pursuing a master’s degree, 75 percent stated that they expect to be promoted to a higher position within one month after receiving the degree. If this percentage holds for the entire population, find, for a sample of 15, the probability that the number expecting a promotion within a month after receiving their degree is Exactly seven. [Justification required] *

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
this is 15C7*0.75^7*0.25^8=0.0131
check with binomialpdf (15,0.75,7)=0.0131.