Kevin works in car sales

Subject:MathPrice:2.86 Bought11

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Kevin works in car sales. Over a period of time he spoke with 600 customers. There is a 30% chance that a customer will take a test drive and a 10% chance they will make a purchase given they've taken a test drive. The likelihood that a customer will buy a car without a test drive is 3%. Determine the number of customers that came into the store and did not make a purchase.