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The time taken to calibrate an instrument to characterize samples in the lab is a random variable having a norm distribution of 20 minutes
The time taken to calibrate an instrument to characterize samples in the lab is a random variable having a norm distribution of 20 minutes and a standard deviation of 2 minutes. What is the probability that an instrument can b Calibrated in a period of time? [4] 1. less than 19.5 minutes? [2] 2. between 20 and 22 minutes? [2]
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General Chemistry
Authors: John McMurry, Robert Fay
2nd Edition
321809262, 978-0321809261
