Michelle has a set of 20 pencils. There are ten colors (i.e.: blue, red, etc.) and each color comes in a soft lead and a hard lead. If Michelle draws a pencil at random (she is blindfolded), what is the probability that she will draw a blue or a soft lead pencil?

a. 11/20
b. 12/20
c. 0.20
d. 0.18
e. None of the above is correct.


Ans: a

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