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Mathematics, 21.06.2019 17:30
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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Mathematics, 21.06.2019 20:40
The roots of the function f(x) = x2 β 2x β 3 are shown. what is the missing number?
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Mathematics, 21.06.2019 23:00
If t8 = 4 and t12 = β2, find the first three terms of the arithmetic sequence.
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