Question: The distribution of weights of bags of peanuts is approximately normal with a mean weight bf 78 grams and a standard deviation of 2.4 grams. Use MINITAB to find

a. the proportion of bags, that weight less than 75 grams;

b. the proportion of bags that weight more than 79.5 grams;

c. the proportion of bags with weights between 76 and 80 grams.