Home
Class 14
MATHS
If P(E) denotes the probability of an ev...

If P(E) denotes the probability of an event E, then E is called certain event if :

A

P(E) = 0

B

P(E) = 1

C

P(E) is either 0 or 1

D

P(E) = 1/2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    DISHA PUBLICATION|Exercise PRACTICE EXERCISE (STANDARD LEVEL)|65 Videos
  • PROBABILITY

    DISHA PUBLICATION|Exercise PRACTICE EXERCISE (EXPERT LEVEL)|46 Videos
  • PROBABILITY

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos
  • PERMUTATIONS AND COMBINATIONS

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos
  • PROFIT, LOSS AND DISCOUNT

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

Similar Questions

Explore conceptually related problems

If P(A) denotes the probability of an event, then

If P (E) denotes probability of occurrence of event E, then :

If P(E) denotes the probability of an event E then (a) 0 lt P(E) le 1 (b) 0 lt P(E) lt 1 (c) 0 le P(E) le 1 (d) 0 le P(E) lt 1

The probability of an event E is a number P (E ) such that :

For any event E, if P(E) = 1, the E is called a:

Complete the following statements: (i) Probability of an event E + Probability of the event 'not E' =__. (ii) The probability of an event that cannot happen is___ Such an event is called__ (iii) The probability of an event that is certain to happen is__. Such an event is called__. (iv) The sum of the probabilities of all the elementary events of an experiment is (v) The probability of an event is greater than or equal to __ and less than or equal to__

Two dice are thrown simultaneously and three events A, B and C are defined as A : The sum of the numbers is 10 B : The sum of the numbers is 9 C : The sum of the numbers is 8 If P(E) is the probability of event E, then which of the followings is true ?

If the probability of an event E happening is 0.023, then P(overline(E)) =______

DISHA PUBLICATION-PROBABILITY-PRACTICE EXERCISE (FOUNDATION LEVEL)
  1. The probability of guessing a correct answer is x/12. If the probabili...

    Text Solution

    |

  2. If A and B are two mutually exclusive events, then what is P(AB) equal...

    Text Solution

    |

  3. If P(E) denotes the probability of an event E, then E is called certai...

    Text Solution

    |

  4. A programmer noted the results of attempting to run 20 programs. The r...

    Text Solution

    |

  5. The digits 1, 2, 3, 4, 5, 6, 7, 8, 9 are written in random order to fo...

    Text Solution

    |

  6. Two cards are drawn from a pack of 52 cards. The probability that eith...

    Text Solution

    |

  7. A man and his wife appear for an interview for two posts. The probabil...

    Text Solution

    |

  8. The probability that a person will hit a target in shooting practice i...

    Text Solution

    |

  9. Suppose six coins are tossed simultaneously. Then the probability of g...

    Text Solution

    |

  10. In a given race the odds in favour of three horses A, B, C are 1 : 3, ...

    Text Solution

    |

  11. What is the probability that the 13th days of a randomly chosen mon...

    Text Solution

    |

  12. In a single throw with four dice, the probability of throwing seven i...

    Text Solution

    |

  13. Six dice are thrown. The probability that different number will turn ...

    Text Solution

    |

  14. If A and B are events such that P(A|B)=P(B|A), then

    Text Solution

    |

  15. If two dice are tossed, find the probability of throwing a total of te...

    Text Solution

    |

  16. From a pack of 52 cards two are drawn with replacement. The probabilit...

    Text Solution

    |

  17. Two cards are selected at random from a deck of 52 playing cards. The ...

    Text Solution

    |

  18. If A and B are two independent events such that p(a) = 1/6 and P(b) = ...

    Text Solution

    |

  19. If A and B are two independent events such that P (A) =1//2, P(B)=1//5...

    Text Solution

    |

  20. Card is drawn from a pack of 52 cards. A persons bets that it is a spa...

    Text Solution

    |