document.write( "Question 611317: Brand A car batteries have a warranty of 60 months. The warranty given by the company depends upon the average life of batteries. The life of the batteries is normally distributed with a mean of 62 months and a standard deviation of 2 months. What percent of the batteries will be working after 64 months. \r
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Algebra.Com's Answer #384902 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
the question is asking what portion of the population is more than 1 standard deviation above the mean ___ z > 1\r
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\n" ); document.write( "\n" ); document.write( "check the z-score table again
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