The average birth weight for babies born in the United States is 3,390 grams. Assume that the birthweights are normally distributed and the standard deviation is 490 grams. To create a cutoff limit that would indicate critically low birthweight by identifying the lightest 5% of all newborns, what weight would be used for the lower limit?

Question options:

A)

2,584 grams

B)

1,570 grams

C)

4,196 grams

D)

127 grams