Suppose you go to the grocery store to buy some cat litter for you cat, since you ran out. You always get the same kind: The Purina Tidy Cats Lightweight 24/7 Performance cat litter, which is supposed to contain 17 pounds of cat litter. In reality, the amount of litter in a given container follows an approximately normal distribution with a mean of 17 pounds and a standard deviation of 0.15 pounds.

What is the probability that you choose a container that has 17.2 pounds or more?

A) 0.85

B) 0.909

C) 0.15

D) 0.091

E) The value cannot be calculated

Please give explanation why the correct answer is right.