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Choose the correct answer Suppose that...

Choose the correct answer
Suppose that two cards are drawn at random from a deck of cards. Let X be the number of aces obtained. Then the value of E(X) is

A

`(37)/(221)`

B

`(5)/(13)`

C

`(1)/(13)`

D

`(2)/(13)`

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The correct Answer is:
D
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NCERT TELUGU-PROBABILITY-EXERCISE 3.4
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  5. Find the probability distribution of the number of successes in two to...

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  6. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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  10. Find the mean number of heads in three tosses of a fair coin.

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