If a car rented by the firm has bad tires, then the probability that it came from: a) agency C is:
"P(A|B) = \\frac{0.5\u00d70.06}{0.3\u00d70.15 + 0.2\u00d70.1 + 0.5\u00d70.06} = \\frac{0.03} {0.095} = 0.32."
b) agency A is:
"P(A|B) = = \\frac{0.3\u00d70.15} {0.095} = 0.47."
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