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Height of Children are normally distributed with a mean of 66 centimetres and a standard deviation of 3 centimetres. A. What percent of children are

Height of Children are normally distributed with a mean of 66 centimetres and a standard deviation of 3 centimetres.

A. What percent of children are between 66 and 68 centimetres tall?

B. What height is located at the 5th percentile?

C. If four children are randomly chose what is the probability that the average of their heights is at least 68 centimetres?

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