At Sally’s Hair Salon there are three hair stylists. 22% of the hair cuts are done by Chris, 33% are done by Karina, and 45% are done by Amy

Question:

At Sally’s Hair Salon there are three hair stylists. 22% of the hair cuts are done by Chris, 33% are done by Karina, and 45% are done by Amy. Chris finds that when he does hair cuts, 4% of the customers are not satisfied. Karina finds that when she does haircuts, 6% of the customers are not satisfied. Army finds that when she does hair cuts, 7% of the customers are not satisfied. Suppose that a customer leaving the salon is selected at random. if the customer is not satisfied, what is the probability that their hair was done by Amy?

Answer:

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