A couple plans to have three children. There are 8 possible arrangments of girls and boys. For example, GGB means the first two children are girls and the third child is a boy. All 8 arrangements are (approximately) equally likely. Report your probability answers as a fraction. (i.e. 2/4 instead of .5) Write down all 8 arrangements of the sexes of three children. What is the probability of any one of these arrangements? Let X be the number of girls the couple has. What is the probability that X = 2? %3D Fill in the missing value in the distribution for X below, beginning with all the values that X can take and then the probabilities. Value of X Probability 3/8

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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A couple plans to have three children. There are 8 possible arrangments of girls and boys. For example, GGB means the first two children are girls and the third child is a boy. All 8 arrangements are
(approximately) equally likely. Report your probability answers as a fraction. (i.e. 2/4 instead of .5)
Write down all 8 arrangements of the sexes of three children. What is the probability of any one of these arrangements?
Let X be the number of girls the couple has. What is the probability that X = 2?
%3D
Fill in the missing value in the distribution for X below, beginning with all the values that X can take and then the probabilities.
Value of X
Probability
3/8
Transcribed Image Text:A couple plans to have three children. There are 8 possible arrangments of girls and boys. For example, GGB means the first two children are girls and the third child is a boy. All 8 arrangements are (approximately) equally likely. Report your probability answers as a fraction. (i.e. 2/4 instead of .5) Write down all 8 arrangements of the sexes of three children. What is the probability of any one of these arrangements? Let X be the number of girls the couple has. What is the probability that X = 2? %3D Fill in the missing value in the distribution for X below, beginning with all the values that X can take and then the probabilities. Value of X Probability 3/8
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