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A family has j children with probability pj, where p1=.1, p2=.25, p3=.35, p4=.3. A child is randomly chosen. Given that this child is eldest in the family, find the conditional probability that the family has (a) only one child (b) 4 children. How would the answer differ if the randomly selected child is the youngest in the family?

Note by Sourav Agarwal
2 years, 3 months ago

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