Mathematics, 28.04.2021 17:10 taminazaka1

The management of Small Industries is considering a new method of assembling a computer. The current assembling method requires a mean time of 86 minutes with a standard deviation of 7.4 minutes. Using the new method, the mean assembly time for a random sample of 24 computers was 71 minutes. a. Using the 0.10 level of significance, can we conclude that the assembly time using the new method is faster

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