a fast food outlet claims that the mean waiting time in line is less than 1.9 minutes. a random sample of 20…

a fast food outlet claims that the mean waiting time in line is less than 1.9 minutes. a random sample of 20 customers has a mean of 1.7 minutes with a standard deviation of 0.8 minute. if a = 0.05, test the fast food outlets claim using p - values.

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