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Suppose that I have a bag containing 18 quarters, and 12 pennies. Two coins were selected...

Suppose that I have a bag containing 18 quarters, and 12 pennies. Two coins were selected from the bag at random, without replacement. First, draw a tree diagram showing the different possible outcomes, including their respective probabilities. Then, answer the following questions: please USE TI 83/84 CALCULATOR FOR COMPUTING

  • What is the probability that both of the coins were quarters?
  • What is the probability that one of the coins was a quarter and the other was a penny?
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