Use the Normal to Model the Distribution of Sample Means

Use the Normal to model the distribution of sample means.
-Grandma Gertrude's Chocolates, a family owned business, has begun making a new
Line of chocolates with high levels of cacao so it can advertise its health benefits of
Antioxidants. The product with the highest % cacao at Grandma Gertrude's Chocolates
Averages 45% cacao with a standard deviation of 6 %. Suppose a sample of 36 pieces of
This chocolate is taken from the production line. What is the standard deviation of the
Sampling distribution of the sample mean?

A) 1%
B) 0.5%
C) 10%
D) 0.1%
E) 5%