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QUESTION 1

b)A shopping mall has set up a promotion as follows: With any purchase of RM50 or more, the customer gets to spin the wheel shown in FIGURE 1. If a number 1 comes up, the customer wins RM10. If number 2 comes up, the customer wins RM5; and if number 3 or 4 comes up, the customer wins a discount coupon. Find the following probabilities:

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