Home
Class 12
MATHS
A die is thrown a fixed number of times....

A die is thrown a fixed number of times. If probability of getting even number 3 times is same as the probability of getting even number 4 times, then probability of getting even number exactly once is `1//6` b. `1//9` c. `5//36` d. `7//128`

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    CENGAGE PUBLICATION|Exercise Sovled Examples|22 Videos

  • PROBABILITY I

    CENGAGE PUBLICATION|Exercise JEE Advanced|7 Videos

Similar Questions

Explore conceptually related problems

If a die is thrown then the probability of getting an even number is

A fair coin is tossed a fixed number of times. If the probability of getting exactly 3 heads equals the probablity of getting exactly 5 heads, then the probability of getting exactly one head is-

A die is thrown 4 times. Find the probability of getting at most two 6.

A die is thrown once. Find the probability of getting a prime number.

A die is thrown once. Find the probability of getting a number lying between 2 and 6.

Suppose we throw a die once. (1) What is the probability of getting a number greater than 4? (in) What is the probability of getting a number less than or equal to 4?

A pair of dice is thrown 3 times. Find the probability of getting a doublet exactly two times.

A fair die is thrown till we get 6, then the probability of getting 6 exactly in even number of turns is -

A die is tossed thrice. Find the probability of getting an odd number at least once.

A die is rolled thrice, find the probability of getting a larger number each time than the previous number.

CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. Five horses are in a race. Mr. A selects two of the horses at random a...

    Text Solution

    |

  2. Let A and B be two events such that p( bar (AuuB))=1/6, p(AnnB)=1/4 a...

    Text Solution

    |

  3. A die is thrown a fixed number of times. If probability of getting eve...

    Text Solution

    |

  4. A pair of fair dice is thrown independently three times. The probab...

    Text Solution

    |

  5. Let A ,B ,C ,D be independent events such that P(A)=1//2,P(B)=1//3, P(...

    Text Solution

    |

  6. A sample space consists of 3 sample points with associated probabili...

    Text Solution

    |

  7. Words from the letters of the word PROBABILITY are formed by taking al...

    Text Solution

    |

  8. A class consists of 80 students, 25 of them are girls and 55 are boys....

    Text Solution

    |

  9. A and B play a game of tennis. The situatio of the game is as follows:...

    Text Solution

    |

  10. If the papers of 4 students can be checked by any one of the 7 teac...

    Text Solution

    |

  11. Let A ,B ,C be three mutually independent events. Consider the two sta...

    Text Solution

    |

  12. A box contains 24 identical balls of which 12 are white and 12 are ...

    Text Solution

    |

  13. In a certain town, 40% of the people have brown hair, 25% have brown ...

    Text Solution

    |

  14. If E and F are the complementary events of events E and F , respect...

    Text Solution

    |

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

    Text Solution

    |

  16. A coin is tossed 2n times. The chance that the number of times one ge...

    Text Solution

    |

  17. Sixteen players S(1), S(2), S(3),…,S(16) play in a tournament. Number ...

    Text Solution

    |

  18. If pa n dq are chosen randomly from the set {1,2,3,4,5,6,7,8,9, 10} wi...

    Text Solution

    |

  19. The mean deviation of the series a , a+d , a+2d ,.....,a+2nd from its ...

    Text Solution

    |

  20. A letter is known to have come either from LONDON or CLIFTON. On the ...

    Text Solution

    |