Home
Class 12
MATHS
A coin is tossed three times in successi...

A coin is tossed three times in succession. If E is the event that there are at least two heads and F is the event in which first throw is a head, then P(E/F) is equal to:

A

`3/4`

B

`3/8`

C

`1/2`

D

`1/8`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - B Objective Type Questions (One option is correct))|65 Videos

  • PROBABILITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - C Objective Type Questions (More than one options are correct))|21 Videos

  • PROBABILITY

    AAKASH INSTITUTE|Exercise TRY YOURSELF|36 Videos

  • PRINCIPLE OF MATHEMATICAL

    AAKASH INSTITUTE|Exercise Section-D:(Assertion-Reason Type Questions)|12 Videos

  • RELATIONS AND FUNCTIONS

    AAKASH INSTITUTE|Exercise Assignment (Section - J) Aakash Challengers Questions|8 Videos

Similar Questions

Explore conceptually related problems

A coin is tossed three xx in succession.If E is the event that there are at least two heads and F is the event in which first throw is a head,then P(E/F) is equal to:

A coin is tossed three xx in succession.If E is the event that there are at least two heads and F is the event in which first throw is a head,then find P(E/F)

A coin is tossed thrice. If E be the event of showing at least two heads and F be the event of showing head in the first throw, then find P(E/F) .

If 1 coin is tossed three times, Indicate the probability of the following events at least two heads / tails.

A balanced coin is tossed three xx in succession.Let A denote the event of getting 'head' in the first toss and B the event of getting 'tail' in the second toss.Prove that the events A and B are independent.

If 1 coin is tossed three times, Indicate the probability of the following events at least one head.

If 1 coin is tossed three times, Indicate the probability of the following events all three heads .

Three coins are tossed simultaneously : (i) P is the event of getting at least two heads. (ii) Q is the event of getting a tail on the second coin.

A coin is tossed thrice.Let the event E be the first throw results in a head and the event F be the last throw results in a tail.Find whether the events E and F are independent.

A coin is tossed twice and all 4 outcomes are equally likely .Let A be the event that first throw results in a head and B be the event that second throw results in a tail , then show that the events A and B are independent .

AAKASH INSTITUTE-PROBABILITY-ASSIGNMENT (SECTION - A Competition Level Questions)
  1. If A and B are two independent events such that P(A) = 1/2 and P(B) = ...

    Text Solution

    |

  2. Let 0 lt P(A) lt 1, 0 lt P(B) lt 1 and P(AcupB) = P(A) + P(B) - P(A) P...

    Text Solution

    |

  3. A coin is tossed three times in succession. If E is the event that the...

    Text Solution

    |

  4. A die is thrown three times and the sum of the 3 numbers shown is 15. ...

    Text Solution

    |

  5. v33.2

    Text Solution

    |

  6. Two dice are thrown. What is the probability that the sum of the nu...

    Text Solution

    |

  7. If A and B are two events such that P(A) = 3/8, P(B) = 5/8 and P(AcupB...

    Text Solution

    |

  8. If 4P(A) = 6P(B) = 10P(AcapB)=1, then P(B/A)

    Text Solution

    |

  9. One Indian and four American men and their wives are to be seated rand...

    Text Solution

    |

  10. A and B are two events such that P(A)= 0.8, P(B) = 0.6 and P (Ann B) =...

    Text Solution

    |

  11. One ticket is selected at random from 50 tickets numbered 00, 01, 0...

    Text Solution

    |

  12. It is given that the events A and B are such that P(B) = 1/4, P(B|A) =...

    Text Solution

    |

  13. If the events A and B are mutually exclusive, then P( A/B) =

    Text Solution

    |

  14. Two aeroplanes I and II bomb a target in succession. The probabilities...

    Text Solution

    |

  15. If two events A and B are such that P(A) =0.3, P(B)=0.4 and P(A'nnB') ...

    Text Solution

    |

  16. Ina certain town, 40% of the people have brown hair, 25% have brown ...

    Text Solution

    |

  17. If barE and barF are the complementary events of E and F respectively...

    Text Solution

    |

  18. As man is known to speak truth 3 out of 4 times. He throws a die and ...

    Text Solution

    |

  19. If A and B are two events such that P(A)ne0 and P(B)ne1, then P(barA/b...

    Text Solution

    |

  20. If A and B are two events such that AsubeB, then P(B|A) is equal to

    Text Solution

    |