SOLUTION: suppose we have letter tiles which spell "strategically". We put the tiles in a box and draaw one tile at random. What is the probability of NOT drawing a c?

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Question 694847: suppose we have letter tiles which spell "strategically". We put the tiles in a box and draaw one tile at random. What is the probability of NOT drawing a c?
Answer by Simnepi(216) About Me  (Show Source):
You can put this solution on YOUR website!
The probability of Not drawing a "c" is
1 - the probability of drawing a "c".
since there are 13 letters and only 1 of them is "c",
the probability of drawing a "c" is 1%2F13
therefore
the probability of Not drawing a "c" = 1+-+%281%2F13%29
which =12%2F13