22. The amount of drink placed in a drink pouch by a drink manufacturer is known to have a normal distribution. The mean amount of product is 217.2 grams, and the standard deviation is 1.6 grams. (a) What proportion of the pouches have between 214.9 and 219.5 grams of drink? (b) At least what amount of drink is the top 45% of all pouches? (c) The machines will be shut down for adjustment if the fill amount is above the 95th percentile or below the 5th percentile. What is the minimum and maximum amount of drink that is found to be acceptable for a fill