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QUESTION 2 (Multiple-Choice) A random variable, X, is normally distributed with a mean of 6 and a standard deviation of 4. Which one of the

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QUESTION 2 (Multiple-Choice) A random variable, X, is normally distributed with a mean of 6 and a standard deviation of 4. Which one of the following terms can be considered as a chi-square variable? O A. X O B. X times X O C. X-bar O D. (X-6)/4 O E. (X-6)/16 O F. None of the above

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