Stats help anyone?? Probability and Standard deviation?

Posted on 2016-11-21 18:51:00 in Statistics by SABAN

A manufacturing company receives a shipment of ball bearings each moth from a supplier. The 
inspectors apply the following rule in deciding whether to accept or reject such shipment: a random sample 
of 36 bearings is selected and measured, if the mean diameter of sample is between 0.245 cm and 0.255 
cm, the shipment is accepted; otherwise it is rejected. 
What is the probability of accepting a shipment that has a mean diameter of 0.24 cm and a standard 
deviation of 0.015 cm? 
Where do I start?? Do you have any pointers?

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