dyllan9889 dyllan9889

12-01-2024
Mathematics

contestada

Assuming a normal distribution, if our sample is 49, the mean is 5.9, and the standard deviation is 1.7, what is the probability of less than 5.5?
A. 0.1587
B. 0.2257
C. 0.3821
D. 0.5493

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