Kryssy C.

asked • 11/05/14

find the answers

according to research study, 66% of preschool children living in povery have been exposed to cigarette smoke at home. In comparison, 44% of preschool children not in poverty have been exposed to cigarette smoke at home. if 200 preschool children living in poverty are selected at random, what is the probability that at least 125 have been exposed to cigarette smoke? what about not living in poverty?

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