Mathematics, 03.05.2021 14:40 janyiareese12
Exercise 1:Hard disks for computers must spin evenly, and one departure from level is calledroll. The roll for any disk can be modeled as a random variable having mean 0.2250 mm and standard deviation 0.0042 mm. The sample mean roll x will be obtained from a random sample of 40 disks. What is the probability that x will lie between 0.2245 and 0.2260mm
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