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23-11-2022
Mathematics

contestada

(05.02 MC)
The average ACT score follows a Normal distribution, with a mean of u = 21.1 and a standard deviation of a = 5.1. What is the probability that the mean ACT score of
50 randomly selected people will be more than 23?

A. 0
B. 0.9958
C. 0.3547
D. 0.0042
E. 1

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