Posted by **Rosa** on Wednesday, February 29, 2012 at 8:58am.

Search results for: Using numbers 1-20 what is probability a randomly chosen number is either an even number or a number greater than 14?

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**bobpursley**, Wednesday, February 29, 2012 at 9:17am
even?

Pr(even)= number of even numbers/20=1/2

greater than 14 (15, 16, 17, 18, 19 ,20 or six choices

Pr(>14)= 6/20

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