Free Practice Question
PS · Problem Solving
605-655
Probability
Reyna has a 0.8 chance of going for a run on any day. The likelihood that she goes for both a run and a swim on the same day is 0.32. If we know Reyna went for a run on Wednesday, what is the probability that she also went for a swim on that day?
Answer Choices
Correct answer marked belowA
0.32
0.4
Correct
C
0.64
D
0.8
E
0.96
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Explanation
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Official Explanation
Official
The probability that Reyna goes for a run on any given day is 0.8. The probability that Reyna both goes for a run and goes for a swim on any given day is 0.32. To find the…
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Comments
3
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R
RheaJan 13, 2025
Amazing
S
StarsAug 21, 2024
thanksss
Y
YasaswiApr 22, 2025
thank you taking time to upload it!
What this question tests
What it tests
Your ability to compute probabilities of single and compound events, including 'at least one' questions.
Common trap
Forgetting to use the complement for 'at least one', or treating dependent events as independent.
Details
Difficulty
605-655
Type
PS
Category