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01.12.2021 •
Mathematics
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a standard deviation of 54 minutes with a mean life of 828 minutes. If the claim is true, in a sample of 107 batteries, what is the probability that the mean battery life would differ from the population mean by more than 8.3 minutes? Round your answer to four decimal places.
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Ответ:
21
Step-by-step explanation:
2+2=21