In a group photo, 8 individuals are arranged in two rows:...

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PS · Problem Solving

705-805

Probability

In a group photo, 8 individuals are arranged in two rows: 4 people in the front row and 4 people in the back row. Among them are Anna and Ben. If the positions are assigned randomly, what is the probability that Anna is in the rightmost position of the front row, while Ben is placed somewhere in the back row?

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A

\frac{1 \times 4 \times 6!}{8!}

B

\frac{1 \times 3 \times 6!}{8!}

C

\frac{1 \times 4 \times 5!}{8!}

D

\frac{1 \times 4 \times 6!}{7!}

E

\frac{4 \times 4 \times 6!}{8! \times 2}

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