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A study shows that 80% of all people over the age of 70 in certain city are retired. Assuming a binomial model is appropriate, find
A study shows that 80% of all people over the age of 70 in certain city are retired. Assuming a
binomial model is appropriate, find the following probabilities for a sample of 15 people who are over
70.
a) Exactly 10 are retired.
b) At least 10 are retired.
c) At most 10 are retired.
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