Mathematics, 30.01.2020 16:04 sierranowe2003
Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. one of the steps used to manufacture a metal clamp involves the drilling of three holes. in a sample of 81 clamps, the mean time to complete this step was 56.8 seconds. assume that the population standard deviation is 9 seconds. what is the lower bound of the 98% confidence interval?
Answers: 2
Mathematics, 21.06.2019 14:00, macybarham
Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /
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Pat listed all the numbers that have 15 as a multiple write the numbers in pats list
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Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
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