Question 1110842
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Hi  
22% of these families have no children, 24% have one child, 34% have two children, and 20% have three children.
22% + 24% + 34% + 20% = 100% (of the children)

p(0) children= .22
p(1) children= .24
P(2) children= .34 
P(3) children= .20