The distribution of vitamin C amount in vitamin drops produced by a given factory is approximately Normal, with a mean of 60.0 mg and a standard deviation of 0.5 mg.

Reference: Ref 13-10

If you take a random sample of 25 vitamin drops, what is, approximately, the probability that the average vitamin contentis between 60.25 and 60.75 mg?

0.01

0.16

0.24

0.38