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

From a lot of 30 bulbs which include 6 detective, a sample of 4 balls 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:
` = (1)/(625)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    SUBHASH PUBLICATION|Exercise Try yourself (one marks questions :)|3 Videos

  • PROBABILITY

    SUBHASH PUBLICATION|Exercise Try yourself Two marks questions :)|3 Videos

  • PROBABILITY

    SUBHASH PUBLICATION|Exercise Three marks questions with answers|10 Videos

  • MODEL QUESTION PAPER 5

    SUBHASH PUBLICATION|Exercise PART E|3 Videos

  • PUC SUPPLEMENTARY EXAMINATION QUESTION PAPER JUNE 2019

    SUBHASH PUBLICATION|Exercise PART E|4 Videos

Similar Questions

Explore conceptually related problems

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.

A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective ?

(i) A lot of20 bulbs sontains 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective? (ii) Suppose the bulb drawn in (i) is not defective and is not replaced. Now one bulb is drawn at random from the rest. What is the probability that this bulb is not defective?

Suppose the bulb drawn in (i) is not dective and is not replaced . Now one bulb is drawn at random from the rest. What is the probability that this bulb is not defective?

A bag contains 3 black and 4 white balls. Two balls are drawn one by one at random without replacement. The probability that second drawn ball is white is

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

An urn contains nine balls of which three are ed four are blue two are green . Three balls are drawn at random without replacement from the urn the probability that the three balls have different colours is :

An urn contains nine balls of which three are red , four are blue and two are green . Three balls are drawn at random without replacement from the urn . The probability that the three balls have different colours is :

Two cards drawn at random and without replacement from a pack of 52 playing cards. Find the probability that both the cards are black .

Two numbers are chosen from [1,2,3,4,5,6] one after another without replacement . Find the probability that one of the smaller value of two is less than 4 :