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OpenStudy (jessicawade):
standard deviation help?
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OpenStudy (jessicawade):
the weights of bags of pet food are distributed normally about the mean, 50lbs. the standard deviation is 0.2 lbs. In a group of 20 bags, about how many would you expect to be within one standard deviation from the mean? 3 bags 5 bags 8 bags 14 bags
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