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Variable x is normally distributed, following N (0,1). If x 1 , x 2 , and x 3 represent independent realizations from the distribution, what
Variable x is normally distributed, following N (0,1). If x1, x2, and x3 represent independent realizations from the distribution, what distribution does the sum x1 + x2 + x3 follow?
a) Standard Normal
b) Normal
c) Chi-Square
d)T distribution
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