Answered: Suppose you know that a friend has 2…

Suppose you know that a friend has 2 children and you know that the older child is a girl. You don't know the sex of the younger child. Explain why the probability that they have two girls is 0.5.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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