In texas 1991 the weights of babies the mean birth weight, Ask an Expert

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In Texas, 1991, the weights of babies, the mean birth weight for all babies is 3369 grams, with a standard deviation of 581 grams, (454 grams = 1 pound). Looking at a baby that weighed 16.1 lbs at birth:

What would his Z-score be when compared to all babies?

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