Home
Class 12
MATHS
The probability that an event A happens ...

The probability that an event A happens in one trial of an experiment, is 0.4 There independent trials of the experiments are performed. The probability that the event A happens atleast once, is

A

`0*936`

B

`0*784`

C

`0*904`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (Comprehension)|1 Videos
  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (Assertion / Reason)|1 Videos
  • PROBABILITY

    ML KHANNA|Exercise Problem Set (1) FILL IN THE BLANKS|17 Videos
  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST|20 Videos
  • PROGRESSIONS

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (ASSERTION/REASON) |1 Videos

Similar Questions

Explore conceptually related problems

The probability of an event that is sure to happen, is_____

The probability that an event does not happen in one trial is 0.8. The probability that the even happens atmost once in three trials is

If E is any event of a random experiment then the probability of the event E belongs to

The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.

The probability of not happening of an event is 0.63 . The probability of happening of that events is

Probability of happening of an event in an experiment is 0.4. The probability of happening of the event atleast once,if the experiment is repeated 3 xx under similar condition is

ML KHANNA-PROBABILITY-Self Assessment Test
  1. A number is chosen at random among the first 120 natural numbers. The ...

    Text Solution

    |

  2. The probability of an event A occurring is 0.5 and of B occuring is 0....

    Text Solution

    |

  3. The probability that an event A happens in one trial of an experiment,...

    Text Solution

    |

  4. A single letter is selected at random from the word "PROBABILITY" . Th...

    Text Solution

    |

  5. In a box containing 100 bulbs, 10 are defective. What is the probabili...

    Text Solution

    |

  6. If the probabilities for A to fail in an examination is 0.2 and that f...

    Text Solution

    |

  7. A multiple choice examination has 5 questions. Each question has three...

    Text Solution

    |

  8. The probability of having at least one tail 4 throws with a coin is

    Text Solution

    |

  9. From a pack of cards two are drawn the first being replaced before the...

    Text Solution

    |

  10. Two cards are drawn at random from a pack of playing cards. Find the p...

    Text Solution

    |

  11. Two uniform dice marked 1 to 6 are tossed together. The probability of...

    Text Solution

    |

  12. The probability of India winning a test match against west Indies is 1...

    Text Solution

    |

  13. A coin is tossed (m+n) times (m gt n). Find the probability of at leas...

    Text Solution

    |

  14. Each coefficient in the equation ax^2+bx+c=0 is determined by throwing...

    Text Solution

    |

  15. Three persons A, B and C, in order, cut a pack of cards replacing them...

    Text Solution

    |

  16. One bag contains 5 white and 3 red balls, and a second bag contains 4 ...

    Text Solution

    |

  17. Supposing that it is 9 to 7 against a person A who is now 35 years of ...

    Text Solution

    |

  18. In shuffling a pack of 52 playing cards, four are accidently droppe...

    Text Solution

    |

  19. The probability that Krishna will be alive 10 years hence is 7/15 and ...

    Text Solution

    |

  20. A bag has 13 red, 14 green and 15 black balls, The probability of gett...

    Text Solution

    |