Mathematics, 17.04.2020 22:32 layja9

1. A fast food outlet claims that the mean waiting time in line is less than 3.8 minutes. A random sample of 60 customers has a mean of 3.7 minutes with a population standard deviation of 0.6 minute. If α = 0.01, test the fast food outlet's claim.

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1. A fast food outlet claims that the mean waiting time in line is less than 3.8 minutes. A random s...

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