Home
Class 9
MATHS
The probability of a certain event is...

The probability of a certain event is 0       (b)  1     (c)  greater than 1       (d)  less than 0

Text Solution

Verified by Experts

A certain event is an event which is sure to happen. The probability of a certain event is `1`.
Promotional Banner

Topper's Solved these Questions

  • NUMBER SYSTEM

    RD SHARMA|Exercise All Questions|130 Videos

  • QUADRILATERALS

    RD SHARMA|Exercise All Questions|251 Videos

Similar Questions

Explore conceptually related problems

The probability of a certain event is 0 (b) 1 (c) 1/2 (d) non-existent

The probability of an impossible event is 1 (b) 0 (c) less than 0( d ) greater than 1

The probability of an event is greater than 1.

The probability of an impossible event is 0 (b) 1( c) 1/2 (d) non-existent

The probability of an impossible event is (A) 1 (B) 1/2 (C) not defined (D) 0

The probability an event of a trial is 1 (b) 0 (c) less than 1 (d) more than 1

The probability of an event is greater than or equal to............... and is less than or equal to ..............

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__

In a single throw of a die, find the probability of getting a number : (i) greater than 2 (ii) less than or equal to 2 (iii) not greater than 2.

A die is thrown once. Find the probability that number turns up on the upper face is greater than 2 and less than 5.

RD SHARMA-PROBABILITY-All Questions
  1. The following table gives the life time of 400 neon lamps: Life ...

    Text Solution

    |

  2. Given below is the frequency distribution of wages (in Rs.) of 30 w...

    Text Solution

    |

  3. Define a trial.

    Text Solution

    |

  4. Define an elementary event.

    Text Solution

    |

  5. Define an event

    Text Solution

    |

  6. Define probability of an event.

    Text Solution

    |

  7. A bag contains 4 white balls and some red balls. If the probability...

    Text Solution

    |

  8. A die is thrown 200 times. If the probability of getting an even num...

    Text Solution

    |

  9. Three coins are tossed simultaneously 200 times with the following ...

    Text Solution

    |

  10. What is the probability of getting at least two heads?

    Text Solution

    |

  11. The probability of an impossible event is 1       (b)  0    (c) ...

    Text Solution

    |

  12. The probability of a certain event is 0       (b)  1     (c)  gr...

    Text Solution

    |

  13. The probability an event of a trial is 1      (b)  0    (c)  les...

    Text Solution

    |

  14. Which of the following cannot be the probability of an event? 1/3 ...

    Text Solution

    |

  15. Two coins are tossed simultaneously. The probability of getting atm...

    Text Solution

    |

  16. A coin is tossed 1000 times, if the probability of getting a tail i...

    Text Solution

    |

  17. A dice is rolled 600 times and the occurrence of the outcomes 1, 2,...

    Text Solution

    |

  18. The percentage of attendance of different classes in a year in a sch...

    Text Solution

    |

  19. A bag contains 50 coins and each coin is marked from 51 to 100. One...

    Text Solution

    |

  20. In a football match, Ronaldo makes 4 goals from 10 penalty kicks. Th...

    Text Solution

    |