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Mathematics, 20.01.2020 18:31 laylay120
Thirty percent of american parents allow their children under age 13 to stay home alone after school. (source: united states department of labor, washington, d. c., 1994). three parents are randomly selected. let x be the number of these parents who allow their children under age of 13 to stay home alone after school. find the probability distribution of x.
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