SOLUTION: bag contains 20 discs numbered 1 to 20 a disc is drawn from bag probability that number on it is multiple of 3

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Question 873715: bag contains 20 discs numbered 1 to 20 a disc is drawn from bag probability that number on it is multiple of 3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
From 1 to 20, there are 6 multiples of 3 (3,6,9,12,15,18) so,
P=6%2F20=3%2F10