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zis a standard normal random variable. The P(-1.96 z -1.4) equals a. 0.475 b. 0.4192 c. 0.8942 d. 0.0558
zis a standard normal random variable. The P(-1.96z-1.4) equals
a.0.475
b.0.4192
c.0.8942
d.0.0558
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