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Mathematics, 22.06.2019 03:00
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
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Jessica has 2 plates of cookies. the first plate has twice as many as the second plate. the second plate has 8 cookies. how many cookies does jessica have altogether
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