Mathematics, 23.08.2019 19:30, millerbe1228

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Mathematics, 21.06.2019 16:10, GgRed

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

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Mathematics, 21.06.2019 17:30, Vampfox

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 19:30, hrcatena

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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Mathematics, 21.06.2019 20:30, einsigcn8481

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

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