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Part A) The average height of 4 year-old children is 40 inches with a standard deviation of 2.4 inches.If the distribution of heights follows a

Part A) The average height of 4 year-old children is 40 inches with a standard deviation of 2.4 inches.If the distribution of heights follows a normal curve, what is the lowest height a 4 year-old can have and still be considered as in the top 10% of tallest children?

Part B) The average height of 4 year-old children is 40 inches with a standard deviation of 2.4 inches.If the distribution of heights follows a normal curve, what is the probability that the average height of a sample of 9 of these children is less than 37.9 inches?

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