Q24

MCQ2 marks, −0.5

Suppose we uniformly and randomly select a permutation from the $20 !$ permutations of $1, 2, 3\ldots ,20.$ What is the probability that $2$ appears at an earlier position than any other even number in the selected permutation?

(A)

$\left(\dfrac{1}{2} \right)$

(B)

$\left(\dfrac{1}{10}\right)$

(C)

$\left(\dfrac{9!}{20!}\right)$

(D)

None of these

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