Explanation:
a. The mean is E(X)=np=220(0.2)=44, and the standard deviation is 5.93
b. I think you meant the probability that Cindy will get at least 50 orange Stattles in her next 14 ounce bag, if so the answer is 0.1762= 17.62% probability
If you need more clarification or it's not right, just comment and I'll help you even more.