We're asked for the approximate probability that the PRODUCT of the three winning sectors’ integers will be even. Each time the wheel is spun, a ball randomly determines the winning sector by settling in that sector and the wheel is spun three times. We're told that a miniature roulette wheel is divided into 10 equal sectors, each bearing a distinct integer from 1 to 10, inclusive. We follow the notations and rationale taught in the GMATH method. (Please note that our approximation is good enough for the alternative choices offered.) If the wheel is spun three times, approximately what is the probability that the product of the three winning sectors’ integers will be even? Each time the wheel is spun, a ball randomly determines the winning sector by settling in that sector. A miniature roulette wheel is divided into 10 equal sectors, each bearing a distinct integer from 1 to 10, inclusive.
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