SOLUTION: A jar contains four coins: a penny and 3 nickels. One coin is taken from the jar at random. What is the probability that the coin taken is not a penny?

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Question 622342: A jar contains four coins: a penny and 3 nickels. One coin is taken from the jar at random. What is the probability that the coin taken is not a penny?
Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
A jar contains four coins: a penny and 3 nickels. One coin is taken from the jar at random. What is the probability that the coin taken is not a penny?
.
if it's not a penny, it must be a nickel:
number of nickels is 3
total number of coins is 4
.
probability is
3/4 = .75

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