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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Currency A dollar-bill changer in a snack machine was tested with 100 $1-bills. Twenty-five of the bills were counterfeit. The results of the test are shown in the chart at the right.
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a. What is the probability that a bill accepted by the changer is legal?
b. What is the probability that a bill is rejected given that it is legal?
c. What is the probability that a counterfeit bill is not rejected?

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