a miniature roulette wheel is divided into 10 equal sectors , each bearing a distinct integer from 1 to 10 , inclusive . each time the wheel is spun , a ball randomly determines the winning sector by settling in that sector . if the wheel is spun four times , approximately what is the probability that the product of the four winning sectors ’ integers will be even ?
"the only way to have an odd product is if all 4 integers are odd . p ( odd product ) = 1 / 2 * 1 / 2 * 1 / 2 * 1 / 2 = 1 / 16 p ( even product ) = 1 - 1 / 16 = 15 / 16 which is about 94 % the answer is d ."
multiply(subtract(1, power(divide(divide(10, const_2), 10), const_2)), const_100)