1. A survey reported that a regular sack of M&Ms has a mean of 12 red ones with a standard deviation of 2. Assuming a normal distribution of reds:

A. What is the probability that a sack will contain less than 7 red ones?

B. What id the probability that a sack will contain between 11 and 15 red ones?

C.What id the probability that a sack will contain more than 14 red ones?

D. What is the probability that a sack will contain less than 13 red ones?

( give all answer in decimal numbers )