Homework Help: statistics

Posted by Anonymous on Wednesday, February 13, 2013 at 3:17pm.

From a shipment of 350 batteries, a sample of 125 was selected at random and tested. If 25 batteries in the sample were found to be dead, how many dead batteries would be expected in the entire shipment?

statistics - JJ, Wednesday, February 13, 2013 at 3:47pm
25/125 gives the percentage that may be bad. Multiply that % times the 350 batteries.

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