A six-year study in a certain country found that birth weights of newborns were normally distributed, with a mean of 3758 grams and a standard deviation of 496 grams. What is the z-score for a newborn weighing 4000 grams?
A)0.81
B)0.73
C)0.61
D)0.49

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The Answer of A six-year study in a certain country found that birth weights of newborns were normally distributed, with a mean of 3758 grams and a standard deviation of 496 grams. What is the z-score for a newborn weighing 4000 grams?
A)0.81
B)0.73
C)0.61
D)0.49

A Six-Year Study in a Certain Country Found That Birth