Home
Class 10
MATHS
What is the probability that a number...

What is the probability that a number selected at random from the number `1,\ 2,\ 2,\ 3,\ 3,\ 3,\ 4,\ 4,\ 4,\ 4` will be their average?

Promotional Banner

Topper's Solved these Questions

  • POLYNOMIAL

    RD SHARMA|Exercise All Questions|179 Videos

  • QUADRATIC EQUATIONS

    RD SHARMA|Exercise All Questions|390 Videos

Similar Questions

Explore conceptually related problems

What is the probability that a number selected at random from the numbers 3,4,5,......,9 is a multiple of 4?

The probability that number selected at random from that number 1, 2, 3, 4, 5, 6, 7, 8, …., 100 is prime is

The probability that number selected at random from the numbers 1,2,3,…,15 is a multiple of 4, is

What is the probability that a number selected from the numbers 1,2,3, ; 15 is a multiple of 4?

The probability that a number selected at random from the set of numbers {1,2,3,...,100} is a square is

The probability of a number selected at random from the numbers 1, 2, 3, .... 15 is a multiple of 4 is:

The probability that a number selected at random from 1,2,3,15 is a multiple of 4 is

Find the probability that a number selected at random from the numbers 1,2,3,...35 is a prime number (ii) multiple of 7 (iii) a multiple of 3 or 5

RD SHARMA-PROBABILITY -All Questions
  1. In a class, there are 18 girls and 16 boys. The class teacher wants...

    Text Solution

    |

  2. Why is tossing a coin considered to be a fair way of deciding which...

    Text Solution

    |

  3. What is the probability that a number selected at random from the n...

    Text Solution

    |

  4. The faces of a red cube and a yellow cube are numbered from 1 to 6....

    Text Solution

    |

  5. The probability of selecting a green marble at random from a jar th...

    Text Solution

    |

  6. There are 30 cards, of same size, in a bag on which numbers 1 to 30 ...

    Text Solution

    |

  7. A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at...

    Text Solution

    |

  8. Find the probability that a number selected from the number 1 to 25...

    Text Solution

    |

  9. A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at...

    Text Solution

    |

  10. A bag contains lemon flavoured candies only. Malini takes out one c...

    Text Solution

    |

  11. It is given that in a group of 3 students, the probability of 2 stu...

    Text Solution

    |

  12. A bag contains 3 red balls and 5 black balls. A ball is drawn at ra...

    Text Solution

    |

  13. A box contains 5 red marbles, 8 white marbles and 4 green marbles. ...

    Text Solution

    |

  14. A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at ra...

    Text Solution

    |

  15. Suppose the bulb drawn in (i) is not defective and not replaced. No...

    Text Solution

    |

  16. A box contains 90 discs which are numbered from 1 to 90. If one dis...

    Text Solution

    |

  17. A lot consists of 144 ball pens of which 20 are defective and other...

    Text Solution

    |

  18. 12 defective pens are accidently mixed with 132 good ones. It is no...

    Text Solution

    |

  19. Five cards – the ten, jack, queen king and ace of diamonds, are wel...

    Text Solution

    |

  20. Five cards – the ten, jack, queen king and ace of diamonds, are wel...

    Text Solution

    |