Probability that in a random sample


College students often make substantial portion of population of college cities and towns. State College, Pennsylvania, ranks first with 71.1% of its population made up of college students. Determine the probability that in a random sample of 150 people from State College, more than 50 are not college students?

Can we can apply normal approximation to the binomial distribution?

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Basic Statistics: Probability that in a random sample
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