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A salad shop is selling fruit eups. Each fruit cup consists of two types of fruit, strawberries and blue berries. The weight of strawberries

 

A salad shop is selling fruit eups. 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 6 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. (b) The weights of the middle 96.6% of fruit cups are between (300 K, 300 + K) grams. Find the value of K. (c) The weights of the middle 96.6% of fruit cups are between (LI, L2) grams. Find the values of LI and L2.

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