SOLUTION: a bag contains 28 marbles of which 4 are blue and 9 are green one marble is drawn from the bag what is the probability that the marble drawn is not blue? a. 13/28 b. 6/7 c. 1/

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Question 985811: a bag contains 28 marbles of which 4 are blue and 9 are green one marble is drawn from the bag what is the probability that the marble drawn is not blue?
a. 13/28
b. 6/7
c. 1/7
d 4/13
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

28 marbles of which 4 are blue and 9 are green
4%2F28=blue=>1%2F7=blue=>0.1428571428571429=blue=>14% chance=blue
24%2F28=other=>6%2F7=blue=>0.8571428571428571=other=>86%+chance=other

The probability of the marble not being blue is 86%,or 86%2F100=+43%2F50, or very likely.
answer:
b.6%2F7