Home
Class 11
MATHS
Two aeroplanes I and II bomb a target in...

Two aeroplanes I and II bomb a target in succession. The probabilities of I and II scoring a hit correctly are 0.3 and 0.2 respectively. The second plane will bomb only if the first misses the target. The probability that the target is hit by the second plane is

A

`0.2`

B

`0.7`

C

`0.06`

D

`0.14`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (MISCELLANEOUS)|3 Videos

  • PROBABILITY

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (ALGEBRA OF EVENTS , CONCEPT OF PROBABILTIY)|42 Videos

  • FACTORIZATION FORMULAE

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • SETS, RELATIONS AND FUNCTIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

Three persons A,B and C , fire at a target in turn, starting with A . Their probability of hitting the target are 0.4, 0.3 and 0.2 , respectively. The probability of two hits is

The probabilities of hitting a target by A, B and C are 3/5,3/4 and 1/3 respectively. If all three hits the target simultaneously then find the probability of hitting the target by the least two of them.

Three person A,B and C fire at a target, inturn starting with A.Their probability of hitting the taryet are 0.4,0.3 and 0.2 respectively.The probability of two hits is

Five shots are fired at a target.If each shot has a probability 0.6 of hitting the target,what is probability that the target will at least once?

A can hit a target 3 xx in 6 shots; B,2 xx in 4 shots and C,4 xx in 4 shots.All of them fire at a target independently.The probability that the target will be hit is

The probability that a bomb will miss a target is 0.2. The probability that out of 5 bombs dropped, exactly 4 will hit the target is

A soldier is firing at a moving target. He fires four shots. The probability of hitting the target at the first, second, third and fourth shots are 0.6, 0.4, 0.2 and 0.1 respectively. What is the probability that he hits the target?

A, B, C try to hit a target simultaneously but independently. Their respective probabilities of hitting the target are 3/4,1/2,5/8 . The probability that target is hit by A or B but not by C is

3firemen X,Y and Z shoot at a common target.The probabilities that X and Y can hit the target are (2)/(3) and (3)/(4) respectively.If the probability that exactly two bullets are found on the target is (11)/(24) then find the probability of Z to hit the target.

TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)
  1. Let A and B be two events such that Poverline((AcupB))=(1)/(6),P(AcapB...

    Text Solution

    |

  2. IF A and B are independent events of a random experiment such tha...

    Text Solution

    |

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

    Text Solution

    |

  4. A company produces 10,000 items per day. On a particular day 2500 item...

    Text Solution

    |

  5. A, B, C are any three events. If P(S) denotes the probability of S hap...

    Text Solution

    |

  6. If P(B)=3/4, P(AnnBnnbarC)=1/3 and P(barAnnBbarC)=1/3 then P(BnnC)=

    Text Solution

    |

  7. A student appears for tests 1, 2 and 3. The student is successful if h...

    Text Solution

    |

  8. From a pack of 52 cards, two are drawn one by one without replacement....

    Text Solution

    |

  9. From a pack of 52 cards, two cards are drawn, the first being replaced...

    Text Solution

    |

  10. A bag contains 3 black and 4 white balls. Two balls are drawn one by o...

    Text Solution

    |

  11. The probability of India winning a test match against West Indies i...

    Text Solution

    |

  12. The probability that A speaks truth is (4)/(5), while this probability...

    Text Solution

    |

  13. The probability that A speas truth is (4)/(5) while this porbability...

    Text Solution

    |

  14. X speaks truth in 60% and Y in 50% of the cases. Find the probabili...

    Text Solution

    |

  15. A speaks the truth in 70% cases and B in 80% cases. The probability th...

    Text Solution

    |

  16. In a certain town, 60% of the families own a car, 30% own a house and ...

    Text Solution

    |

  17. A husband and wife appear in an interview for two vacancies for the ...

    Text Solution

    |

  18. A problem is given to 3 students. Their chances of solving it individu...

    Text Solution

    |

  19. The probabilities of solving a question by three students are 1/2,1/4,...

    Text Solution

    |

  20. If 4 P(A) = 6 P(B) = 10 P(A nn B) = 1 then P((B)/(A))=

    Text Solution

    |