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Please solve the problem. Show your complete solution and the formula that you use. Thank you so much! 2. The weights of 1,000 children, on

Please solve the problem. Show your complete solution and the formula that you use. Thank you so much!

2. The weights of 1,000 children, on average, is 50kg with a standard deviation of 5kg. Suppose the weights are normally distributed, how many children weigh between 40kg and 55kg

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