16.) "El Frijol Oaxaqueno" brand beans have a fiber content that is normally distributed with a mean of 23 grams per can with a standard deviation of 8 grams. The FDA will randomly draw 8 cans and test them for fiber content. If the beans contain more than 29 grams they are considered to be grade B since the beans are coarse and have an unpleasant mouth-feel. Moreover, the excess fiber inhibits nutrient absorption in the small intestine. On the other hand, if the beans contain less than 17 grams they are considered to be made from substandard beans and are also labeled grade B. If the fiber content is between 17 and 29 grams they are graded as grade A. a.) You need to satisfy three assumptions in order to use the CLT to calculate the probability of being labeled grade B. What are those three assumptions (do not say the sample is unbiased)