Question
A die is thrown three times. Events A and B are defined as below:
A : 5 on the first and 6 on the second throw.
B: 3 or 4 on the third throw.
Find the probability of B, given that A has already occurred.
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Suppose we have four boxes. A, B, C and D containing coloured marbles as given below:
Box | Marble colour | ||
Red | White | Black | |
A | 1 | 6 | 3 |
B | 6 | 2 | 2 |
C | 8 | 1 | 1 |
D | 0 | 6 | 4 |
One of the boxes has been selected at random and a single marble is drawn from it. If the marble is red, what is the probability that it was drawn from box A?, box B?, box C?
Reference Material
Solution for question: A Die is Thrown Three Times. Events a and B Are Defined as Below: a : 5 on the First and 6 on the Second Throw. B: 3 Or 4 on the Third Throw. Find the Probability of B, Given that a Has Already Occurred. concept: Conditional Probability. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)