For a Variable That Has a Standard Normal Distribution, A) $z < - 1.34$

question 44

Essay

For a variable that has a standard normal distribution, a) What is the probability that $z < - 1.34$ ?
b) What is the probability that $z < + 2.56$ ?
c) What is the probability that $\mathrm { z }$ is between $- 1.5$ and $+ 1.5$
d) What value of $z$ separates the smaller $5 \%$ of the standard normal distribution from the larger $95 \%$ ?
e) What values of $- z$ and $+ z$ separate the middle $90 \%$ of the standard normal distribution from the extreme $10 \%$ ?

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