What is the range of middle of all bottles

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Question: The weights of cans of Monarch pears with normal distribution and mean of 1000grams, standard deviation of 45 grams.

a. What is the probability that concrete beer bottle is having a weight of 950 grams?

b. What is the range of middle 75% of all bottles? Find an interval in to which 75% of all bottles do belong.

Reference no: EM131812517

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