According to www.fowlerfarms, com/apple_a_day.htm, a certain kind of apple weighs 150 grams, on average. Suppose that the

Question:

According to www.fowlerfarms, com/apple_a_day.htm, a certain kind of apple weighs 150 grams, on average. Suppose that the standard deviation of this type of apple is 20 grams. When picking 66 such apples, what is the probability that they weigh (altogether) 9966 grams or more?