propablity

First posting: Sunday, 31 October 2004 3:30:47 AM

heather

What is the probablity a non defective bolt will be chosen from a group, if 600 have already been examined and 12 were found to be defective. any help thanks
RESPONSES

James | (172.16.17.95) | Wednesday, 3 November 2004 10:48:25 AM
Probability is number occurred over number possible, so in this case it is (600-12)/600. Regards

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