Q. 245.0( 1 Vote )

A Bag I contains

Answer :

Given Data:


• Bag I contains 5 red and 4 white balls


• Bag II contains 3 red and 3 white balls


Calculation:


Two balls are transferred from the Bag I to the Bag II


Three possibilities:


• Ball transferred is white, E1




• Ball transferred is red, E2




• One ball is red and other is white, E3




• The ball drawn from the Bag II is red, A


Since this happens after one of the events E1, E2, E3 already happened.


Now bag II has 6 balls,





Probability that one red ball and one white ball are transferred from the Bag I to the Bag II is given by Baye’s Theorem





OR


Given data:


Two dice thrown thrice


Calculation:


Total outcomes are 6x6 =36


Favorable outcomes are (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6),




There can be these situations


• No doublets


• Exactly 1 time doublets appear


• Exactly 2 times doublets appear


• 3 time doublets appear


Let X be random variable representing these situations


Now X = 0, 1, 2, 3












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