SOLUTION: There are 20 ping pong balls in a bag. if you had to choose one at random what is the probability of it being divisible by 3?

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Question 827314: There are 20 ping pong balls in a bag. if you had to choose one at random what is the probability of it being divisible by 3?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
There are 20 ping pong balls in a bag. if you had to choose one at random what is the probability of it being divisible by 3?
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Assuming they are numbered 1 to 20,
Divisible by 3:: 3,6,9,12,15,18
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P(select a divible by 3) = 6/20 = 3/10 = 0.3
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Cheers,
Stan H.