SOLUTION: Suppose you select a marble at random from a jar containing 3 green, 2 red, and 5 blue marbles. Find each probability. not selecting a red marble

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Question 445557: Suppose you select a marble at random from a jar containing 3 green, 2 red, and 5 blue marbles. Find each probability.
not selecting a red marble
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
Success here is picking a green or a blue marble.
P=success/total possibilities
P=(3+5)/10
P=8/10=4/5=.80 or 80% for NOT picking a red marble.