Mathematics, 19.07.2019 03:00, fastpitchhailey1354
In a contest run by a store, each customer whose purchase exceeds $100 is allowed to draw a discount coupon from a jar. at the beginning of the contest, the jar contains 30 slips for a 5% discount, 15 slips for an x% discount, and 5 slips for a 15% discount. if the expected value of the first draw from the jar is 6.6%, the value of x is __ . at one point in the contest, the jar contains 4 slips for a 5% discount, y slips for an x% discount, and 2 slips for a 15% discount. if the expected value on the next draw is 8%, the value of y is __ .
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