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OpenStudy (anonymous):
The time required to finish a test in normally distributed with a mean of 80 minutes and a standard deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more than 110 minutes?
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OpenStudy (anonymous):
\[P(X>110)=P\left(\frac{X-80}{15}>\frac{110-80}{15}\right)=P(Z>2)\]
OpenStudy (anonymous):
thank you.!
OpenStudy (anonymous):
yw
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