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Mathematics, 19.05.2021 01:50 suevazpue

Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities. P(12 $\leq$ x $\leq$ 21); Population mean (Avg.) = 14; Population standard deviation= 4
A. 0.040
B. 0.651
C. 0.894
D. 0.691

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