Home
Class 12
MATHS
It is known that 10% of certain articles...

It is known that 10% of certain articles manufactured are defective. What is the probability that in a random sample of 12 such articles, 9 are defective?

Answer

Step by step text solution for It is known that 10% of certain articles manufactured are defective. What is the probability that in a random sample of 12 such articles, 9 are defective? by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (LAB WORK)|1 Videos

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS AND SOLUTIONS|20 Videos

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise UNIT TEST|8 Videos

  • PRINCIPLES OF MATHEMATICAL INDUCTION

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|4 Videos

  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos

Similar Questions

Explore conceptually related problems

In a box containing 10 bulbs, 2 are defective. What is the probability that among 5 bulbs chosen at random , none is defective ?

In a box containing 10 bulbs, 2 are defective. What is the probability that among 5 bulbs chosen at random, none is defective?

Knowledge Check

  • In a box containing 100 bulbs, I0 are defective. The probability that out of a sample of 5 bulbs, none is defective is

    A
    `10^(-1)`
    B
    `((1)/(2))^(5)`
    C
    `((9)/(10))^(5)`
    D
    `(9)/(10)`

  • In a factory two machines A and B produce equal amount of output. On the average 10% item produced by A and 5% item produced by B are defective. Find the probability that an item drwan from a days output is defective:

    A
    `(3)/(40)`
    B
    `(1)/(2)`
    C
    `(3)/(10)`
    D
    `(3)/(2)`

    • Similar Questions

    Explore conceptually related problems

    Suppose that 90% of people are right- handed. What is the probability that atmost 6 of a random sample of 10 people are right- handed?

    In a box containing 10 bulbs 2 are defective.What is the probability that any 5 balls chosen at random none is defective.

    A box contains 300 electrical bulbs out of which 18 are defective. What is the probability that bulb chosen will not be defective?

    20% of the bolts produced in a factory are found to be defective. Find the probability that in a sample of 10 bolts chosen at random, exactly 2 will be defective using binomial distribution.

    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 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?

    Home
    Profile