SOLUTION: A box contains tiles in the ratio of 4:5 black to
grey.
What is the probability a black tile is selected at
random?
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-> SOLUTION: A box contains tiles in the ratio of 4:5 black to
grey.
What is the probability a black tile is selected at
random?
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Question 1164813: A box contains tiles in the ratio of 4:5 black to
grey.
What is the probability a black tile is selected at
random? Answer by Theo(13342) (Show Source):
You can put this solution on YOUR website! the ratio of black to gray is 4/5.
that means that, out of every 9 tiles, 4 are black and 5 are gray.
the probability of selecting a black tile at random out of a set of 9 is therefore 4/9.
