document.write( "Question 881103: a manufacturer of tow chains finds that the average breaking point is at 3,500 pounds and the standard deviation is 250 pounds. if you pull a weight of at least 3000 pounds with this tow chain, what percentage of time would you expect the chain to break \n" ); document.write( "
Algebra.Com's Answer #531974 by ewatrrr(24785)\"\" \"About 
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mean = 3,500 pounds and the standard deviation is 250 pounds.
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\n" ); document.write( "P(x ≥ 3000) = 1 - P(z < 2) = 1 - 87.72% = 2.28% of the time would expect the chain to break
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