Suppose that 80% of all families own a ...

Suppose that 80% of all families own a television set. If 5 families are inervised at random, find the probability that :
(a) three families own a television set.
(b) at least two families own a television set.

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Suppose that 80% of all families own a television set. If 5 families are inervised at random, find the probability that : (a) three families own a television set. (b) at least two families own a television set.

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Suppose that 80% of all families own a television set. If 5 families are inervised at random, find the probability that :
(a) three families own a television set.
(b) at least two families own a television set.