Home
Class 7
MATHS
In a box, there are 20 marbles. Each mar...

In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find the probability of drawing a marble from the box which is marked with a number that is a prime number.

Text Solution

Verified by Experts

The correct Answer is:
`2/5`
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS (Essay Type Questions)|3 Videos

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 1)|13 Videos

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS (Very Short Answer Type Questions)|39 Videos

  • SIMPLE INTEREST AND COMPOUND INTEREST

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|9 Videos

Similar Questions

Explore conceptually related problems

In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find the probability of drawing a marble from the box which is marked with a number that is a perfect square.

In a box, there are 16 stamps. Each stamp is marked with distinct numbers from 1 to 16 . If the probability of drawing a stamp marked even number is (1)/(k) then find k

There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the probability that the marble being numbered as a multiple of 5.

There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.What is the probability of drawing a marble with number 5?

There are 10 marbles in a box which are marked with the distinct numbers from 1 to 10. If a marble is drawn, then what is the probability of getting a marble being a number multiple of 3 ?

There are 10 marbles in a box which are marked with the distinct numbers from 1 to 10. If a marble is drawn, then what is the probability of getting prime numbered marble ?

PEARSON IIT JEE FOUNDATION-STATISTICS-TEST YOUR CONCEPTS (Short Answer Type Questions)
  1. Find the median of the data 9, 4,2,11,9,3,12,1,6.

    Text Solution

    |

  2. Find the mode of the data 7, 8, 9, 9, 10, 7, 11, 10, 7, 6.

    Text Solution

    |

  3. Find the range of the data: 535,155,305,720,315,and 214

    Text Solution

    |

  4. When two coins are flipped once, what is the probability of getting he...

    Text Solution

    |

  5. What is a pie chart ?

    Text Solution

    |

  6. The marks obtained by 15 students in an examination are given below : ...

    Text Solution

    |

  7. The heights of 7 students are given below (in cm) : 120, 126, 132.41, ...

    Text Solution

    |

  8. The mode of the data 20, 23, 22, 23, 22, 20, x, 21 is 22. Find the val...

    Text Solution

    |

  9. The arithmetic mean of 10 observations is 45. If one of the obsservati...

    Text Solution

    |

  10. If the mean of 4, x, and y is 6, then find the mean of x, y, and 10.

    Text Solution

    |

  11. A bar graph is drawn to the scale 1 cm = 4x units .The length of the b...

    Text Solution

    |

  12. In a pie chart, a component is represented as a sector with sector ang...

    Text Solution

    |

  13. If the mean of 2,3, x ,7 ,8 is x, then find the value of x .

    Text Solution

    |

  14. Anand's income and expenditure are in the ratio 9 : 5. Find the centra...

    Text Solution

    |

  15. In a bar graph, a bar of length 8.6 cm is represented by 430 units. Fi...

    Text Solution

    |

  16. Find the mode of the data 2, 4, 6, 4, 6, 7, 6, 7, aud 8

    Text Solution

    |

  17. The mean height of a group of 30 students is 150 cm. If a 150 cm tall ...

    Text Solution

    |

  18. The mean of observations 2, 3, 4, 5, 8, 14, and x is x. Find x.

    Text Solution

    |

  19. In a box, there are 20 marbles. Each marble is marked with a distinct ...

    Text Solution

    |

  20. Find the mean of the data 42,20,24,31,30 and 57.

    Text Solution

    |