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From a national survey, it was found that about 37% of all Americans have a short...

From a national survey, it was found that about 37% of all Americans have a short commute to work (i.e. the time it takes to get to work is less than 15 minutes). suppose you randomly select 5 Americans.

(a). How many people would you expect to have a short commute?

(b). What is the probability that all 5 people have short commutes?

(c). What is the probability that at least one person does NOT have a short commute?

(d). What is the probability that no less than 2 people have short commutes?

Math   Statistics-And-Probability   
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