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January 31, 2015

January 31, 2015

Posted by **Ariana** on Monday, August 4, 2014 at 11:52pm.

Step by step please?

Thanks in advance :)

- statistics -
**MathMate**, Tuesday, August 5, 2014 at 9:29amNumber of children = 3

Possible number of boys = {0,1,2,3}

X=number of boys - number of girls

={-3,-1,1,3}

P(X)= probability of event X.

b g X P(X)

0 3 -3 1/8

1 2 -1 3/8

2 1 1 3/8

3 0 3 1/8

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