Home
Class 12
MATHS
Suppose that two cards are drawn at rand...

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)'

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    V PUBLICATION|Exercise QUESTION BANK|100 Videos
  • RELATIONS AND FUNCTIONS

    V PUBLICATION|Exercise QUESTION BANK|114 Videos

Similar Questions

Explore conceptually related problems

One card is drawn at random from a pack of 52 cards.Find the probability that the card drawn is an ace.

One card is drawn at random from a pack of 52 cards.Find the probability that the card drawn is a red ace.

One card is drawn at random from a pack of 52 cards.Find the probability that the card drawn is red or an ace.

One card is drawn at random from a pack of 52 playing cards. Find the probability that, the card is face card.

A card id drawn at random from a well shuffled pack of 52 cards.Find the probability of its being a spade or a king.

One card is drawn at random from a pack of 52 cards.Find the probability that the card drawn is neither red nor ace.

Two cards are drawn successively with replacement from a pack of 52 cards. Find the probability distribution of the number of aces.

One card is drawn at random from a pack of 52 playing cards. Find the probability that, the card drawn is black.

4 cards are drawn from a well shuffled pack of 52 cards.In how many ways can this be done?

V PUBLICATION-PROBABILITY-QUESTION BANK
  1. In a meeting, 70 % of the members favour and 30 % oppose a certain pro...

    Text Solution

    |

  2. Choose the corréct answer in each of the following The mean of the num...

    Text Solution

    |

  3. Suppose that two cards are drawn at random from a deck of cards. Let ...

    Text Solution

    |

  4. If a fair coin is tossed 10 times, Find the probability of Exactly 6 ...

    Text Solution

    |

  5. Ten eggs are drawn successively with replacement from a lot containing...

    Text Solution

    |

  6. A die is thrown 6 times. If getting an odd number is a success, what i...

    Text Solution

    |

  7. A pair of dice is thrown 4 times. If getting a doublet is considered a...

    Text Solution

    |

  8. There are 5% defective items in a large bulk of items. What is the pro...

    Text Solution

    |

  9. Five cards are drawn successively with a replacement from a pack of 52...

    Text Solution

    |

  10. The probability that a bulb produced by a factory will fuse after 150 ...

    Text Solution

    |

  11. A bag consists of 10 balls each marked with one of the digits 0 to 9 ....

    Text Solution

    |

  12. In an examination 20 question of true false type are asked suppose a s...

    Text Solution

    |

  13. Suppose X has a binomial distribution B(6,1/2) show that X=3 is the mo...

    Text Solution

    |

  14. On a multiple choice examination with three possible answers for each ...

    Text Solution

    |

  15. A person buys a lottery ticket in 50 lotteries , in each of which his ...

    Text Solution

    |

  16. Find the probability of getting 5 exactly twice in 7 throw of a die.

    Text Solution

    |

  17. Find the probability of throwing at most 2 sixes in 6 throws of a sing...

    Text Solution

    |

  18. It is known that 10% of certain articles manufactured are defective . ...

    Text Solution

    |

  19. In a box containing 100 bulbs 10 are defective the probability that ou...

    Text Solution

    |

  20. The probability that a student is not a swimmer is 1/5 then the probab...

    Text Solution

    |