MEDIUM
Earn 100

A pair of dice is thrown independently three times. The probability of getting a score of exactly twice is:
(a)
(b)
(c)
(d)

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Important Questions on Binomial Distribution
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MEDIUM
For the following distribution function of a random variable

HARD
Statement I:
Statement II:

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HARD

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MEDIUM

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EASY

HARD
In a random experiment, a fair die is rolled until two fours are obtained in succession. The probability that the experiment will end in the fifth throw of the die is equal to :

HARD
A computer producing factory has only two plants and . Plant produces and plant produces of the total computers produced. of computers produced in the factory turn out to be defective. The probability that a computer turns out to be defective which is produced in plant is ten times of the computers produced in the plant . A computer produced in the factory is randomly selected and it does not turn out to be defective. Then the probability that it is produced in plant is

