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Compute the mean and variance of the following probability distribution. (Round your answers to 2 decimal places.) xP(x) 3.10 11.30 19.20 27.40
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On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95
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If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.
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Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.
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Compute the mean and variance of the following probability distribution. (Round your answers to 2 de...
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