Home
Class 11
MATHS
Iterms produced by a compary are sup...

Iterms produced by a compary are supposed to contain 5% defective items .probability that a sample of 8 items will contain less than 2 defective items is

A

`(27)/(20)((19)/(20))^(7)`

B

`(541)/(400)((19)/(20))^(6)`

C

`(153)/(20)((1)/(20))^(7)`

D

`(35)/(16)((1)/(20))^(6)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CIRCLE AND CONICS

    MARVEL PUBLICATION|Exercise MISCELLANEOUS MCQs|50 Videos

Similar Questions

Explore conceptually related problems

The items produced by a firm are supposed to contain 5% defective items. The probability that a smaple of 8 items will contain will less than 2 defective items, is

The bulbs produced in a factory are supposed to contain 5% defective bulbs . What is the probability that a sample of 10 bulbs will contain not more than 2 defective bulbs?

There are 6% defective items in a large bulk of item.Find the probability that sample of 8 items will include not more than one defective items.

There are 5% defective items in a large bulk of items.What is the probability that a sample of 10 items will include not more than one defective item?

If 2% of pipes manufactured by a company are defective, the probability that in a sample of 1000 pipes exactly 6 pipes are defective is

A carton contains 20 bulbs ,5 of which are defective. The probability that,if a sample of 3 bulbs in chosen at random from the carton, 2 will be defective, is

In the items produced by a factory there are 10% defective items A sample of 6 items is randomly chosen . Find the probability that this sample contains (i) exactly 2 defective items (ii) not more than 2 defective items (iii) at least 3 defective items .

In a box containing 60 bulbs 6 are defective . What is the probability that out of a sample of 5 bulbs (i) none is defective (ii) exactly 2 are defective ?

MARVEL PUBLICATION-BERNOULLI TRIALS AND BINOMIAL DISTRIBUTION-MULTIPLE CHOICE QUESTIONS
  1. From a box containing 20 tickets marked with numbers 1 to 20, four tic...

    Text Solution

    |

  2. In a box containg 100 bulbs , 64 are defective probabaility t...

    Text Solution

    |

  3. Iterms produced by a compary are supposed to contain 5% defect...

    Text Solution

    |

  4. IF X to B (n,p) and Y=n-X then : Y to

    Text Solution

    |

  5. A binomial probability distribution is symmertrial .If the proba...

    Text Solution

    |

  6. The probability that a marksman will hit a target is given is 1/5. The...

    Text Solution

    |

  7. Five coins are tossed simultaneously. The probability that at least on...

    Text Solution

    |

  8. एक प्रयोग के सफल होने का संयोग उसके असफल होने से दो गुना है। प्रायिकता...

    Text Solution

    |

  9. India plays two matches each with West Indies and Australia. In any ma...

    Text Solution

    |

  10. The probability of India winning a test match againest England is (2)/...

    Text Solution

    |

  11. A die is thrown 100 times, getting an even number is considered a succ...

    Text Solution

    |

  12. If turning up 1 or 3 is considered a success , then the S.D of n...

    Text Solution

    |

  13. A die is tossed 5 times. Getting and odd number is cosidered a success...

    Text Solution

    |

  14. A box contains 100 bulbs out of which 10 are defective. A sample of 5 ...

    Text Solution

    |

  15. If in a binomial distribution n=4,\ P(X=0)=(16)/(81),\ t h e n\ P(X=4)...

    Text Solution

    |

  16. A biased coin with probability p, 0ltplt1 of heads is tossed until a h...

    Text Solution

    |

  17. A fair coin is tossed repeatedly. If tail appears on first four tosses...

    Text Solution

    |

  18. A coin is tossed 2n times. The change that the number of times one get...

    Text Solution

    |

  19. Two cards are drawn successively with replacement from a well shuffled...

    Text Solution

    |

  20. The sum of of the mean and variance of a binomial distribution is 15 a...

    Text Solution

    |