Or

Author:
david utsey

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what is the probability that you select a vial that is not outside the acceptable range , in other words you do not detect that the machine has shifted? you randomly select 15 vial. what is the probability that you select at least one vial that is not outside the acceptable range? what is the probability that you select a sample of 5 vials that a mean that not outside the acceptable range? you randomly select 3 samples of 5 vials. what is the probability that you select at least one sample of % vials that has a mean that is not outside the acceptable range? what is more sensitive to change an individual measure or the mean? explain why you take 3 samples of size 5 and find the mean of each sample instead of randomly choosing and measuring the amounts in 15 vials individually to check the machine's setting?

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