document.write( "Question 1193290: A brisk walk at a 6 km per hour, burns an average of 300 calories per hour. If the standard deviation of the distribution is 8 calories, find the probability that a person who walks an hour at the rate of 6 kilometers per hour will burn the calories.
\n" ); document.write( "A.More than 280 calories
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Algebra.Com's Answer #825320 by Boreal(15235)\"\" \"About 
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z>(x-mean)/sd
\n" ); document.write( "> (280-300)/8
\n" ); document.write( ">-2.5
\n" ); document.write( "that probability is 0.9938
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