Home
Class 12
MATHS
In a game, a man wins a rupee for a six ...

In a game, a man wins a rupee for a six and loses a rupee for any other number when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins / loses.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|543 Videos
  • MOCK TEST-3

    MODERN PUBLICATION|Exercise EXERCISE|35 Videos
  • RELATIONS AND FUNCTION

    MODERN PUBLICATION|Exercise EXAMPLE|212 Videos

Similar Questions

Explore conceptually related problems

A man is known to speak the truth 3 out of 4 times. He throws a die and reports that it is a six. Find the probability that it is actually a six.

A man is known to speak truth 3 out of 4 times. He throws a die and reports that it is a six. Find the probability that it is actually six.

In a hockey match two teams A and B scored same number of goals upto the end of the games so as to decide the winner, the referee asked both the captains to throw a die alternately and decided that the team, whose captain gets a six first, will be declared the winner. If the captain of team A was asked to start, find their respective probabilities of winning the match and state whether the decision of the referee was fair or not.

A man is known to speak the truth 2 times out of 3 times. He throws a fair die and reports that it is .4. Find the probability that it is actually a 4.

A man is known to speak the truth 4 times out of 5 times. He throws a fair die and reports that it is 2. Find the probability that it is actually a 2.

A man is known to speak the truth 3 out of 5 times. He throws a die and reported that it is a number greater than 4. Find the probability that it is actually a number greater than 4.

MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. A box contains 16 bulbs out of which 4 bulbs are defective. 3 bulbs ar...

    Text Solution

    |

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

    Text Solution

    |

  3. In a game, a man wins a rupee for a six and loses a rupee for any othe...

    Text Solution

    |

  4. A die is thrown 7 times. If getting an "even number" is "success", fin...

    Text Solution

    |

  5. A die is thrown 8 times. If getting an even number is considered a suc...

    Text Solution

    |

  6. A die is thrown 3 times. If getting an multiple of 3 is considered a s...

    Text Solution

    |

  7. If on an average, out of 10 ships, one is drowned, then what is the pr...

    Text Solution

    |

  8. Suppose that a radio tube insrted into a certain type of set has a pro...

    Text Solution

    |

  9. A die is thrown again and again until three sixes are obtained. Find t...

    Text Solution

    |

  10. An experiment succeeds twice as often as it fails. Find the probabilit...

    Text Solution

    |

  11. How many times must a man toss a fair coin so that the probability of ...

    Text Solution

    |

  12. Fit a binomial distribution to the following data: .

    Text Solution

    |

  13. A man takes a step forward woth probability 0.4 and backward woth prob...

    Text Solution

    |

  14. Out of (2n+1) tickets consecutively numbered, three are drawn at rando...

    Text Solution

    |

  15. If A and B are mutually exclusive, then P(AnnB) is equal to .

    Text Solution

    |

  16. Let E and F be events with P(E)=3/5, P(F)=3/10 and P (E cap F)=1/5. Ar...

    Text Solution

    |

  17. If A and B are two independent events such that P(A)=5/13, P(B)=2/13, ...

    Text Solution

    |

  18. A pair of dice is tossed once and X denotes the sum of numbers that ap...

    Text Solution

    |

  19. A die is tossed thrice. Find the probability of getting an odd number ...

    Text Solution

    |

  20. Write the formula of Bayes' Theorem with its conditions.

    Text Solution

    |