Suppose that the age of students at George Washington Elementary school is uniformly distributed between 6 and 11 years old. 43 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible a. What is the distribution of X? X U( b. What is the distribution of ? & ~ N( c. What is the probability that the average of 43 children will be between 8 and 8.4 years old?

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A: Here use normal distribution  With mean = 44000 Standard deviation  = 12166

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