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Answer:
P(A | B) = P(A∩B) / P(B) that's your ans.
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Answer:
number of favourable outcomes/number of possible outcomes
Step-by-step explanation:
For example-
Q A bag contains 10 ribbon rolls of which 4 are yellow, 3 are green, 2 are red and 1 is blue . find the probability of getting :- a green ribbon roll
Solution:
total number of ribbon rolls = 10
probability of taking out a green ribbon roll = ³/10
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