Mathematics, 22.09.2020 14:01 xitlalizt83341
has developed a new battery for its portable navigation systems. To help market this system, the company wants to know how long, on average, the batteries last before they burn out. The company tests a random sample of 100 batteries and find that the sample mean is 80 hours, with a sample standard deviation of 20 hour What is the point estimate for the mean lifetime of the batteries
Answers: 3
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Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)
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Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?
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What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23
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has developed a new battery for its portable navigation systems. To help market this system, the com...
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