if a customer at a particular grocery store uses coupons, there is a 50% probability thatthe custome

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if a customer at a particular grocery store uses coupons, there is a 50% probability thatthe customer will pay with a debit card. Thirty percent of customers use coupons and35% of customers pay with debit cards. Given that acustomer does not pay with a debitcard, the probability that the same customer does not use coupon is: