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OpenStudy (anonymous):
The length in cm of components manufactured by a machine come from a normal population with mean 36 standard deviation 2.5. if 5 components are randomly selected from the machine's output. What is the probability at least 2 are are longer than 37.5cm
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OpenStudy (anonymous):
I was thinking to use P(x>75) with mean 36 and standard deviation 2.5 but the fact that they said at least 2 are 37.5cm threw me off
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