In a bowl, there are seven cards labeled from 1 to 7. A card is drawn and then returned to the bowl, followed by drawing a second card. If the total of the numbers on the two drawn cards equals 9, what is the probability that at least one of the cards drawn is numbered 6?

Answer Choices

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\frac{1}{7}

\frac{1}{6}

\frac{1}{3}

Correct

\frac{3}{7}

\frac{3}{6}

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In a bowl, there are seven cards labeled from 1 to 7. A card is drawn and then returned to the bowl, followed by drawing a second card. If the total of the numbers on the two drawn cards equals 9, we need to find the probability that at least one of the cards drawn is…

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Comments

PatrickFeb 6, 2025

Thanks for sharingThank you for sharing!!thanks for sharing

HarshDec 11, 2024

Love how you solved this

AndrewMar 21, 2025

good question

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.