I think the 3 is an exponent so we can write the expression as
18 * 4y^3
= 72y^3
0.67 kg of flour will be in each batch of scones
Answer:
115 mg
Step-by-step explanation:
The 50th percentile has a corresponding z-score of z = 0. The z-score, for any given value of caffeine, X, is given by:

Therefore, if z=0, then X must be equal to the mean value of the normal distribution, which is 115 mg. Thus, the 50th percentile value of caffeine content is 115 mg.