Question
Shopping Mall Promotion. A shopping mall has set up a promotion as follows. With any mall purchase of 50 dollars or more, the customer gets to spin a wheel divided into 20 equal sectors: two sectors are labeled 1, two are labeled 2, eight are labeled 3, and eight are labeled 4. If 1 comes up, the customer wins 10 dollars; if 2 comes up, the customer wins 5 dollars; if 3 or 4 comes up, the customer wins a discount coupon. Find the probabilities that (a) the customer wins 10 dollars, (b) the customer wins money, and (c) the customer wins a coupon.
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Evidence boundary
These results use the 20 equal sectors in Bluman's 10/$5-prize version. The scan was used only to count sectors. Coupon value is not specified, so the answer does not infer its monetary value or an expected payout.