On a Saturday, the likelihood that a theme park will have more than 12,000 visitors is 0.7. On Sunday, the chance of exceeding 12,000 visitors is 0.2. If we assume the visitor counts for each day are independent, what is the probability that the number of visitors surpasses 12,000 on either Saturday or Sunday, but not on both days?

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0.54

0.56

0.62

Correct

0.78

0.9

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Given: The probability that the number of guests at a theme park will exceed 12,000 on Saturday is 0.7. The probability that the number of guests at the same theme park will exceed 12,000 on Sunday is 0.2. Asked: Assuming that the numbers of guests on each day are independent, what is the…

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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.