Math Problem Statement
Solution
Let's go through the problem.
The question states:
A pool of potential jurors consists of 20 men and 16 women. The Commissioner of Jurors randomly selects two names from the pool. What is the probability that the first is a man and the second is a woman if the two people are selected without replacement?
Solution:
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Total number of jurors:
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Probability that the first person selected is a man: There are 20 men out of 36 people, so:
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Probability that the second person selected is a woman (given the first was a man): Since one man has already been selected, there are now 19 men and 16 women remaining, for a total of 35 people.
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Combined Probability: Since these are sequential, independent events (with the pool changing after each selection due to "without replacement"), we multiply the probabilities:
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Calculating: Simplify to and then calculate:
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Final Answer: The answer is , which does not seem to simplify further.
Thus, the closest answer to choose from the options given is likely to be similar to , if it is among the choices listed.
Would you like further clarification or details on any part of the solution?
Related Questions
- How would the probability change if the second selection was also a man?
- What is the probability that both selected individuals are women?
- If three names are selected, what is the probability that all are men?
- How would the probability change if we were selecting with replacement instead?
- What would the probability be if only one person was selected, and it had to be a woman?
Tip
In probability problems, carefully consider whether selections are made with or without replacement, as this significantly impacts the probabilities.
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Math Problem Analysis
Mathematical Concepts
Probability
Conditional Probability
Combinatorics
Formulas
P(A and B) = P(A) * P(B|A)
Probability without replacement: adjusting sample space after each selection
Theorems
Basic Probability Theorem
Suitable Grade Level
Grades 9-12
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