Home
Class 12
MATHS
A single which can can be green or red w...

A single which can can be green or red with probability `4/5 and 1/5` respectively, is received by station A and then transmitted to station B. The probability of each station reciving the signal correctly is `3/4.` If the singal received at station B is green, then the probability that original singal was green is

A

`3/5`

B

`6/7`

C

`(20)/(23)`

D

`(9)/(20)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (Comprehension)|1 Videos

  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (Assertion / Reason)|1 Videos

  • PROBABILITY

    ML KHANNA|Exercise Problem Set (1) FILL IN THE BLANKS|17 Videos

  • PERMUTATIONS AND COMBINATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST|20 Videos

  • PROGRESSIONS

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (ASSERTION/REASON) |1 Videos

Similar Questions

Explore conceptually related problems

A signal which can be green or red with probability 4/5 and 1/5 respectively, is received by station A and then and 3 transmitted to station B. The probability of each station receiving the signal correctly is 3/4 If the signal received at station B is green, then the probability that the original signal was green is (a) 3/5 (b) 6/7 (d) 20/23 (d) 9/20

If 1 ball is drawn from 7 red, 5 white and 8 green balls, then probability that it is not white is

An urn contains 3 red and 4 green marbles. If three marbles are picked at random, what is the probability that two are green and one is red?

A basket contains 3 blue, 2 green and 5 red balls. If three balls are picked at random, what is the probability that atleast one is red?

A basket contains 4 red , 5 blue and 3 green marbles . If three marbles are picked at random, what is the probability that either all are green or all red ?

An urn contains 4 green , 5 blue ,2 red and 3yellow marbles . If three marbles are drawn at random , what is the probability that none is green ?

A basket contains 3 blue ,4 green & 5 red balls .If three balls are picked at random ,what is the probability that at least one is red ?

Probability of solving of sum correctly by A ,B and C is (1)/(2),(1)/(3) and (1)/(5) respectively. The probability that at least one of them solves it correctly is

A bag contains 7 green,4 white and 5 red balls.If four balls are drawn one by one with replacement,what is the probability that one is red?

ML KHANNA-PROBABILITY-Self Assessment Test
  1. A card from a pack 52 cards is lost. From the remaining cards , two ca...

    Text Solution

    |

  2. The probability that in the toss of two dice we obtain an even sum or ...

    Text Solution

    |

  3. A determinant is chosen at random from the set of all determinants of ...

    Text Solution

    |

  4. An experiment has 10 equally likely outcomes. Let A and B be two non-e...

    Text Solution

    |

  5. One ticket is selected at ransom form 50 tickets numbered 00,01,02,…,4...

    Text Solution

    |

  6. In a binomial distribution B(n , p=1/4) , if the probability of at lea...

    Text Solution

    |

  7. Four fair dice D(1),D(2),D(2) and D(4) each having six faces numbered...

    Text Solution

    |

  8. An urn contains nine balls of which three are red, four are blue and t...

    Text Solution

    |

  9. Three numbers are chosen at random without replacement from {1, 2, 3, ...

    Text Solution

    |

  10. A single which can can be green or red with probability 4/5 and 1/5 re...

    Text Solution

    |

  11. Consider 5 independent Bernoulli.s trials each with probability of ...

    Text Solution

    |

  12. Let omega be a complex cube root unity with omega!=1. A fair die is th...

    Text Solution

    |

  13. Let E and F be two independent events. The probability that exactly on...

    Text Solution

    |

  14. A ship is fitted with three engines E(1),E(2),and E(3) the engines fun...

    Text Solution

    |

  15. If X and Y are two events such that PX//Y)=(1)/(2), P(Y//X)=(1)/(3) an...

    Text Solution

    |

  16. Let U1 , and U2, be two urns such that U1, contains 3 white and 2 red ...

    Text Solution

    |

  17. Given that the drawn ball from U2 is white, the probability that head ...

    Text Solution

    |

  18. A fair die is tossed repeatedly until a 6 is obtained. Let X denote th...

    Text Solution

    |

  19. A fair die is tossed repeated until a six is obtained. Let X denote th...

    Text Solution

    |

  20. A fair die is tossed repeatedly until a six obtained. Let X denote the...

    Text Solution

    |