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The table summarizes members of a local organization by age and whether they live east or west of the river. If a member of the organization is selected at random, what is the probability that the selected member is at least 40 years old?

20 Mar

The table summarizes members of a local organization by age and whether they live east or west of the river. If a member of the organization is selected at random, what is the probability that the selected member is at least 40 years old?

Live east of the river Live west of the river Total
Less than 40 years old 17 11 28
At least 40 years old 18 89 107
Total 35 100 135

 

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