Home
Class 11
MATHS
Natural numbers 1, 2, 3, …, 2n are writt...

Natural numbers `1, 2, 3, …, 2n` are written down on `2n` cards, One card is selected at random from these cards. If the probability of drawing a number `i` is proportional to `i`, then the probability of drawing an odd number in one draw is

A

`1/2`

B

`(n+2)/(n+3)`

C

`n/(2n+1)`

D

`(n-1)/n`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|239 Videos
  • CIRCLE AND CONICS

    MARVEL PUBLICATION|Exercise MISCELLANEOUS MCQs|50 Videos
  • PROBABILITY DISTRIBUTIONS

    MARVEL PUBLICATION|Exercise MCQs|51 Videos

Similar Questions

Explore conceptually related problems

Number 1, 2, 3,…,2n (n in N) are printed on 2n cards. The probability of drawing a number r is proportional to r. Then the probability of drawing an even number in one draw is

From a deck of 52 cards, the probability of drawing a face card is

One card is drawn from a well-shuffled deck of 52 cards. Find the the probability of drawing an ace is

Two card are drawn at random from a deck of 52 playing cards. Find the probability of drawing two kings.

A card is drawn at randonm from a well-shuffled pack of 52 cards. What is the probability of drawing a red card ?

A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawing a number which is a square, is

Cards bearing numbers 2,3,4,…11 are kept in a bag. A card is drawn at random from the bag. The probability of getting a card with a prime number is

MARVEL PUBLICATION-PROBABILITY-MULTIPLE CHOICE QUESTIONS
  1. A bag contains 5 balls of unknown colours. There are equal chances tha...

    Text Solution

    |

  2. A letter is known to have come from either "TATANAGAR" or "CALCUTTA'' ...

    Text Solution

    |

  3. Natural numbers 1, 2, 3, …, 2n are written down on 2n cards, One card ...

    Text Solution

    |

  4. A random variable X is defined by X={{:("3 with probability"=1/3),("...

    Text Solution

    |

  5. A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If...

    Text Solution

    |

  6. . Two dice are thrown together. Find the probability of the same numbe...

    Text Solution

    |

  7. If 2 dice are thrown, then probability that first die shows an even nu...

    Text Solution

    |

  8. If 2 dice are thrown, then probability that product of the numbers on ...

    Text Solution

    |

  9. If 6 dice are thrown, then probability that all show different numbers...

    Text Solution

    |

  10. If 2 cards are drawn from a pack of 52, then probability that they are...

    Text Solution

    |

  11. Three horses H(1), H(2) and H(3) are in a race which i s won by one o...

    Text Solution

    |

  12. If 1 ticket is drawn from 50 tickets, numbered from 1 to 50 then proba...

    Text Solution

    |

  13. If 1 pen is selected from a batch of 500 pens of which 50 are defectiv...

    Text Solution

    |

  14. If A, B, C are pair-wise mutually exclusive, and exhaustive, events of...

    Text Solution

    |

  15. If A, B, C are independent events such that P(Acap B) = 1/2, P(Bcap C)...

    Text Solution

    |

  16. If P(A) = 0.8, P(B) = 0.6 and P(A cap B) = 0.5," then " P (B'//A')=

    Text Solution

    |

  17. A ticket is drawn from 20 tickets, numbered from 1 to 20, and kept asi...

    Text Solution

    |

  18. Probability of throwing 15 in one throw with 3 dice is

    Text Solution

    |

  19. Probability of throwing neither 9 nor 11 in one throw with 2 dice is

    Text Solution

    |

  20. In a single throw with 3 dice, probability of getting a total of at le...

    Text Solution

    |