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JEE Class main Answered

A bag contains 4 white, 3 black and 2 red balls. Balls are drawn from the bag one by one without replacement.

The probability that 4th ball is red is equal to :

(A) 1/16 (B) 1/9 (C) 2/9 (D) 3/11

The probability that 5th ball is black given that 4 th ball is red is equal to

(A) 1/8 (B) 3/8 (C) 2/11 (D) 3/11

Asked by kushagra.sahni2002 | 25 Jun, 2020, 12:46: AM
Expert Answer

A bag contains 4 white, 3 black and 2 red balls. Balls are drawn from the bag one by one without replacement.

To find the probability of getting 4th ball as red.

This can be solved as follows:
 
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