Mathematics, 25.07.2020 16:01 diego481

Find the indicated probability by using the special addition rule. A relative frequency distribution is given below for the size of families in one U. S. city. Size Relative frequency 2 0.421 3 0.222 4 0.195 5 0.110 6 0.032 7 0.020 A family is selected at random. Find the probability that the size of the family is less than 5. Round approximations to three decimal places.

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