Q&A #3784

Teachers' Lounge Discussion: Tree diagram: Four Children (2B's/2G's any order)

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From: dianna smith

To: Teacher2Teacher Public Discussion
Date: 2001032302:30:29
Subject: tree diagram

if a new family with two children move into a home across the street,
is it more likely that there will be two boys, two girls, or that
there will be one boy and one girl

if the new family ahs three children, what is the likelihood that all
of them wiil be girls?  boys?  two girls and one boy?  two boys and
one girl?

what if there were four childre, what is the likelihood of all girls? 
all boys?  and each combination of boys and girls?

can you do a tree diagram for these problems  would appreciate it very
much  i need one for each  question.

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