Question

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1. There are n candidates for a job. They are ranked as 1,2,. , n. Let the r.v. X
candidate with pmf
the rank of a randomly chosen
z)1/n,
0,
1,2,3,.n.
Otherwise
Determine E(X) and V(X)

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1. There are n candidates for a job. They are ranked as 1,2,. , n. Let the r.v. X candidate with pmf the rank of a randomly chosen z)1/n, 0, 1,2,3,.n. Otherwise Determine E(X) and V(X)

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