Question
Let $z$ be a standard normal random variable with mean $\mu=0$ and standard deviation $\sigma=1 .$ Use Table 3 in Appendix $I$ to find the probabilities.$$P(z<2.81)$$
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Let $z$ be a standard normal random variable with mean $\mu=0$ and standard deviation $\sigma=1 .$ Use Table 3 in Appendix $I$ to find the probabilities. $$ P(z>2.81) $$
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