Free Practice Question
PS · Problem Solving
605-655
Probability
A ski resort plans to conduct its yearly one-day snowboarding event if it snows on either Friday or Saturday. However, if there is no snowfall on both days, the event will be canceled. Given that there is a 75% likelihood of snow on any particular day at the resort, what is the probability that the event will take place?
Answer Choices
Correct answer marked belowA
75%
B
87.5%
93.75%
Correct
D
96.25%
E
98.75%
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Explanation
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Official Explanation
Official
The ski resort will hold its yearly one-day snowboarding event if it snows on either Friday or Saturday. If it does not snow at all on both days, the event will not occur. The probability that it does not snow on a given day is 25% (100% - 75%). Therefore, the…
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Comments
3
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T
ThanhApr 7, 2025
Thank for sharing!!!
Y
YudhishthirMar 29, 2024
greatt question!
C
ClairinSep 30, 2024
thanks
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