Answer Happy

Question 1 (10 marks) A salad shop is selling fruit cups. Each fruit cup consists of two types of fruit, strawberries and blue berries. The weight of strawberries in a fruit cup is normally distributed with mean 160 grams and standard deviation 10 grams. The weight of blue berries in a fruit cup is normally distributed with mean u grams and standard deviation o grams. The weight of strawberries and blue berries are independent, and it is known that the weight of a fruit cup with average of 300 grams and standard deviation of 15 grams. (a) Find the values of u and o. Find the value (b) The weights of the middle 96.6% of fruit cups are between (300 – K, 300 +K) grams. of K. Find the values of L1 and (c) The weights of the middle 96.6% of fruit cups are between (L1, L2) grams. L2.