Home
Class 14
MATHS
In a class 45% students read English, 30...

In a class 45% students read English, 30% read French and 20% read both English and French. One student is selected at random find the probability that he reads French, if it is known that he reads English.

A

`4/9`

B

`5/9`

C

`2/9`

D

`1/9`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    QUANTUM CAT|Exercise QUESTION BANK|678 Videos

  • PROFIT , LOSS AND DISCOUNT

    QUANTUM CAT|Exercise QUESTION BANK|205 Videos

Similar Questions

Explore conceptually related problems

In a class 45% students read English, 30% read French and 20% read both English and French. One student is selected at random. Find the probability that he reads English, if it is known that he reads French.

In a class, 30% students study English, 15% study Hindi and 10% study both English and Hindi. One student is selected at random. Find the probability that (i) He studies English if it known that he Hindi (ii) He studies Hindi if it is known that he studies English

In a class 40% students read Mathematics,25% Biology and 15% both Mathematics and Biology.One student is selected at random. The probability that he reads Mathematics if it is known that he reads Biology is

In a hostel 60% students read Hindi newspaper, 40% read English newspaper and 20% read both newspaper. A student is selected at random. Find the probability that student neigher read Hindi newspaper nor read English newspaper.

In a hostel 60% of the students read Hindi news paper, 40% read English newspaper and 20% read both Hindi and English newspapers. A student is selected at random.Find the probability that she reads neither Hindi nor English news paper ?

In a hostel 60 % of students read Hindi newspapers , 40 % read English and 20 % both . A student is selected at random . Find the probability that she reads neither Hindi nor English newspaper .

In a hostel 60% of the students read Hindi news paper, 40% read English news paper and 20% read both Hindi and English news papers. A student is selected at random. (a) Find the probability that she reads neither Hindi nor English news papers. (b) If she reads Hindi news paper, find the probability that she reads English news paper. (c) If she reads English news paper, find the probability that she reads Hindi news paper.

In a class 30% students like tea, 20% like coffee and 10% like both tea and coffee. A student is selected at random then what is the probability that he does not like tea if it is known that he likes coffee?

QUANTUM CAT-PROBABILITY-QUESTION BANK
  1. A die is rolled . If the outcome is an odd number what is the p...

    Text Solution

    |

  2. In a class 45% students read English, 30% read French and 20% read bot...

    Text Solution

    |

  3. In a class 45% students read English, 30% read French and 20% read bot...

    Text Solution

    |

  4. A couple has two childen . Find the probability that both are bo...

    Text Solution

    |

  5. A couple has two childen . find the probability that both are boys...

    Text Solution

    |

  6. A bag contains 3 red and 4 black balls and another bag has 4 red and 2...

    Text Solution

    |

  7. A bag contains 3 red and 4 black balls and another bag has 4 red and 2...

    Text Solution

    |

  8. A bag contains 3 red and 4 black balls and another bag has 4 red and 2...

    Text Solution

    |

  9. A bag contains 3 red and 4 black balls and another bag has 4 red and 2...

    Text Solution

    |

  10. Two balls are drawn from an urn containing 2 white; 3 red and 4 black ...

    Text Solution

    |

  11. A bag contains 6 red and 9 blue balls. Two successive drawing of four...

    Text Solution

    |

  12. An urn contains 4 white 6 black and 8 red balls. If 3 balls are drawn ...

    Text Solution

    |

  13. Two numbers are selected at random from integers 1 through 9. If th...

    Text Solution

    |

  14. A box contains 25 tickets, numbered 1, 2, 3, .. 25. A ticket is drawn ...

    Text Solution

    |

  15. A coin is tossed twice and all 4 outcomes are equally likely ....

    Text Solution

    |

  16. A bag contains 10 red balls and 10 green balls , Two balls ar...

    Text Solution

    |

  17. (for explantion of Baye's rule ) three boxes contain 6 red , ...

    Text Solution

    |

  18. Let A and B be independent events such that P(A) =0.6 and P(B ) =0...

    Text Solution

    |

  19. Let A and B be independent events such that P(A)=0.6 and P(B)=0.5 find...

    Text Solution

    |

  20. Let A and B be independent events such that P(A)=0.6 and P(B)=0.6 find...

    Text Solution

    |