document.write( "Question 872146: For women at Hartford college, times to run 400 meters are normally distributed with a mean of 84 seconds and a standard deviation of 7 seconds. What percentage of the times are more than 63 seconds
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Algebra.Com's Answer #525992 by ewatrrr(24785) You can put this solution on YOUR website! z =(63-84)/3 = -21/7 = -3 \n" ); document.write( "P(x > 63) = p(z > -3) = .9987 0r 99.87% \n" ); document.write( " |