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Binomial Probability questions

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Suppose that 26.3% of a certain city lives to the age of 80, what is the probability that in a random sample of 1000 residents of that city:
a) between 200 and 250 will live to be 80 years old?
b) more than 300 of them will live to be 80 years old?
c) less than 275 of them will like to be 80 years old?

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Solution Summary

Exact calculations in Binomial distributions is examined.

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Suppose that 26.3% of a certain city lives to the age of 80, what is the probability that in a random sample of 1000 residents of that city:

We consider a binomial distribution with probability 0.263 and n = 1000.

Chance that exactly ...

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