Reference no: EM132402433
According to the Higher Education Research Institute, 55% of college freshmen in 4-year colleges and universities during 2003 were female. Suppose 8 freshmen are randomly selected and the number of females is recorded.
Explain why the distribution is considered as a binomial probability distribution?
Find its p, q and n.
Write in words what is success and failure in this scenario?
Find the probability that exactly 7 of them are female.
The probability that at most 2 of them are female.
Find the probability that at least 7 of them are female.
Find the probability that more than 2 of them are female.
Find the mean and standard deviation of the distribution.
What is the expected number of freshmen are females in 4 years colleges?
If we choose random sample of 50 freshmen what is the expected number of freshmen are female?
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