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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
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You know the right answer?
16. solve the equation
3x + (2x + 6) = 6x + 1.152...
3x + (2x + 6) = 6x + 1.152...
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