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Math Help - Distribution of sample mean

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    Distribution of sample mean

    a process for making certain bearings is under control, if the diameter of the bearings have mean of 0.6000 cm. what can we say about the process if sample of 10 of these bearing has a mean dia of 0.5060 cm & standard daviation of 0.0032 cm ?
    Last edited by mr fantastic; February 2nd 2010 at 12:58 AM. Reason: Removed irrelevant quote (question moved from another thread).
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