Homework Help: statistics

Posted by Harley on Saturday, June 25, 2011 at 9:29pm.

1. The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of eight syringes taken from the batch. Suppse the batch contains 2% defective syringes. Find sigma.
Please show work.
Thanks

statistics - TutorCat, Saturday, June 25, 2011 at 11:34pm
sigma = sqrt [np(1-p)]

http://stattrek.com/Lesson2/Binomial.aspx

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