Mathematics, 23.10.2020 15:40 Lauraemia43
A researcher found that 55% of families in the United States have one child under the age of 21, 22% have two children under the age of 21, 15% have three children under the age of 21, 5% have 4 children under the age of 21and 3% have 5 or more children under the age of 21. If a family is selected at random, what is the probability the family has 1 or 3 children under the age of 21?
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A researcher found that 55% of families in the United States have one child under the age of 21, 22%...
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