5) You are in charge of quality control at the Theo Chocolate Factory in Fremont. Theo chocolate bars are supposed to weigh 85 grams. In reality, there is sorne random variability from one bar to the next. You know from past experience that the weight of the chocolate bars can be approximately described by a normal distribution, with a mean weight of 92.2 grams and a standard deviation of 21 grams. a) What is the probability of a randomly selected bar being below the claimed weight of 85 grams? b) Suppose you inspect a batch of ten randomly selected bars. What is the probability at least one of them will be above the 90 percentile for Theo chocolate bar weights