Question 324796
Find the z score for each.
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Below
{{{x=mu-sigma}}}
{{{z=(x-mu)/sigma=-sigma/sigma=-1}}}
{{{P(-1)=0.048394}}}
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Above
{{{x=mu+sigma}}}
{{{z=sigma/sigma=1}}}
{{{P(1)=0.048394}}}
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They are the same since the normal distribution function is symmetric about the mean, {{{mu}}}.