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OpenStudy (hyroko):
A doctor's office has 40 appointments scheduled, each appointment has a mean duration of 15 minutes with a standard deviation of 5 minutes. What is the probability that the total duration of the appointments exceeds 10.5 hours?
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Directrix (directrix):
@kropot72
OpenStudy (nikato):
|dw:1459292416374:dw| im assuming that the distribution is normal
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