According to a nationwide survey conducted by Statistics Canada, the mean birth weight in Canada is 3.4kg. A doctor would like to gain evidence for the hypothesis that urban mothers deliver babies whose birth weights are greater than 3.4kg. She conducted a statistical test based on 125 Canadian urban newborns with a sample standard deviation 1.43 kg. Suppose that the p-value of this test is 0.0158. What is the mean weight (in kg) for those 125 Canadian urban newborns?

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