Mathematics, 30.03.2020 19:29 kimlyn58p0wyn0
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 88 months, with a variance of 81. If he is correct, what is the probability that the mean of a sample of 84 computers would differ from the population mean by less than 1.39 months? Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 22:30
Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Mathematics, 21.06.2019 23:00
Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?
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Mathematics, 22.06.2019 00:30
Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?
Answers: 1
Mathematics, 22.06.2019 00:40
Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?
Answers: 1
The quality control manager at a computer manufacturing company believes that the mean life of a com...
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