A small community organization consists of 20families, of which 4 have one child, 8 have two children,5 have three children, 2 have four children,and 1 has five children.(a) If one of these families is chosen at random,what is the probability it has i children, i =1, 2, 3, 4, 5?(b) If one of the children is randomly chosen,what is the probability that child comes froma family having i children, i = 1, 2, 3, 4, 5?
A small community organization consists of 20families, of
Problem 21 Chapter 2
First Course in Probability | 8th Edition
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