Free Practice Question
PS · Problem Solving
705-805
Probability
Three boys have ages 2, 4, and 5, while three girls have ages 3, 6, and 7. If two boys and two girls are randomly selected, and the sum of their ages is z, what is the difference between the probability that z is even and the probability that z is odd?
Answer Choices
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1/9
B
1/6
C
2/9
D
1/4
E
1/2
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Explanation
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Difficulty
705-805
Type
PS
Category