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Standard XII

Mathematics

Intersection

In a meeting,...

Question

In a meeting, 60% of the members favour and 40% oppose a certain proposal. A member is selected at random and we take X = 0 if he opposed, and X = 1 if he is in favour. Find E(X) and Var(X).

0.6 and 0.44

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0.6 and 0.24

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0.4 and 0.24

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0.6 and 0

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Solution

The correct option is B
0.6 and 0.24

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Similar questions

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In a meeting, 60% of the members favour and 40% oppose a certain proposal. A member is selected at random and we take X = 0 if he opposed, and X = 1 if he is in favour. Find E(X) and Var(X).

The correct option is B 0.6 and 0.24

The correct option is B
0.6 and 0.24