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If you know that in a normal distribution, x = 70 is in the 45th percentile and sigma = 10, what's mu? a. -71.2 b.
If you know that in a normal distribution, x = 70 is in the 45th percentile and sigma = 10, what's mu?
a. -71.2
b. 71.2
c. 1.2
d. -1.2
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