125 is 1 dev above, so it's 13.5 + 2.35,
so it's B. 0.159
And i think the proportion of infants with birthweights between 125 oz and 140 oz is :
D. 0.136
Hope this helps
This is a tough one.
The medium is clearly an illustration. The form seems to be either charcoal or pencil.
Your answer would be C. On the other hand.