Rolling a fair twelve-sided die produces a uniformly distributed set of numbers between 1 and 12 with a mean of 6.5 and a standard deviation of 3.452. Assume that n twelve-sided dice are rolled many times and the mean of the n outcomes is computed each time. ... a. Find the mean and standard deviation of the resulting distribution of sample means for n = 144. The mean of the resulting distribution of sample means is. (Round to the nearest tenth as needed.)

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