Home
Class 12
MATHS
From a lot of 30 bulbs which include 6 d...

From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs is drawn at random with replacement. Find the probability distribution of the number of defective bulbs.

Text Solution

Verified by Experts

The correct Answer is:
`(##NCERT_BEN_MAT_XII_P2_C13_E04_006_A01##)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.5|15 Videos

  • PROBABILITY

    NCERT BANGLISH|Exercise MISCELLANEOUS EXERCISE ON CHAPTER 13|19 Videos

  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.3|14 Videos

  • MATRICES

    NCERT BANGLISH|Exercise Miscellaneous Exercise on Chapter 3|15 Videos

  • RELATIONS AND FUNCTIONS

    NCERT BANGLISH|Exercise MISCLELLANEOUS EXERCISE ON CHAPTER 1|19 Videos

Similar Questions

Explore conceptually related problems

From a lot of 25 ariticles containing 5 defective a sample of 4 aritcles was drawn at random (a) without replacement (b) with replacement find the probability distribution of x the number of defectives

A lot contains 36 ariticles of which 6 are defective A sample of 5 articles was drawn at random (i) without replacement (ii) with replacement find the probalitiy distribution of x the number of defectives

Three cards are drawn at random from a pack of 52 playing cards find the probability distribution of the number of aces

Five defective bulbs are accidentally mixed with 20 good ones it is not possible to just look at a bulbs and tell whether or not it is defective find the probability distribution of the number of defective bulbs in a draw of 4 bulbs

In a lot of 25 articles, 5 are defective. Four articles are drawn at random from the lot. Find the probability that exactly 2 of the drawn articles are defective.

Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards. Find the probability distribution of the number of aces.

A lot of 20 bulbs contain 4 defective ones. One bulb is selected at random from the lot. What is the probability that this bulb is defective? Suppose the bulb selected in previous case is not defective and is not replaced. Now one bulb is selected at random from the rest. What is the probability that this bulb is not defective?

It is known that a lot of 10 articles contains 3 defectives. A sample of 4 articles is drawn at random from the lot. If X be the random variable of defective articles in the sample, then the value of P(0 lt X lt 2) is -

A box contains 50 articles of which 4 are defective. One article is taken at random from the box. Find the probability of that article is not defective. .

5% of the electric values are defective. 10 values are drawn at random. Find the probability that at least two defective values are found.

NCERT BANGLISH-PROBABILITY-EXERCISE 3.4
  1. State which of the following are not the probability distributions of ...

    Text Solution

    |

  2. An urn contains 5 red and 2 black balls. Two balls are randomly drawn....

    Text Solution

    |

  3. Let X represent the difference between the number of heads and the num...

    Text Solution

    |

  4. Find the probability distribution of (i) number of heads in two tos...

    Text Solution

    |

  5. Find the probability distribution of the number of successes in two to...

    Text Solution

    |

  6. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

    Text Solution

    |

  7. A coin is biased so that the head is 3 times as likely to occur as tai...

    Text Solution

    |

  8. A random variable X has the following probability distribution: ...

    Text Solution

    |

  9. The random variable X has a probability distribution P(X) of the follo...

    Text Solution

    |

  10. Find the mean number of heads in three tosses of a fair coin.

    Text Solution

    |

  11. Two dice are thrown simultaneously. If X denotes the number of sixes, ...

    Text Solution

    |

  12. Two numbers are selected at random (without replacement) from the firs...

    Text Solution

    |

  13. Let X denote the sum of the numbers obtained when two fair dice are ro...

    Text Solution

    |

  14. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

    Text Solution

    |

  15. In a meeting, 70% of the members favour and 30% oppose a certain propo...

    Text Solution

    |

  16. Choose the correct answer The mean of the numbers obtained on throwi...

    Text Solution

    |

  17. Choose the correct answer Suppose that two cards are drawn at random...

    Text Solution

    |