Thirty percent of all households have a DVD player.Suppose you select 20 houses at random.On average,how many houses of the twenty would you expect to have a DVD? What is the standard deviation of the number of houses with a DVD?

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The Answer of Thirty percent of all households have a DVD player.Suppose you select 20 houses at random.On average,how many houses of the twenty would you expect to have a DVD? What is the standard deviation of the number of houses with a DVD?

Thirty Percent of All Households Have a DVD Player