moomoo791 moomoo791 15-12-2022 Mathematics contestada the distribution for the size of families in one u.s. city is shown below. size proportion 2 0.422 3 0.234 4 0.205 5 0.088 6 0.032 7 0.019 a family is selected at random. find the probability that the size of the family is at least 3.