document.write( "Question 1180152: A brisk walk at 5 miles per hour,burns an average of 250 calories per hour. If the standard deviation of the distribution is 10 calories.Assume the variable to be normally distributed.
\n" ); document.write( "Find the probability that a person who walks one hour at rate of 5 mile per hour will burn the following calories.\r
\n" ); document.write( "\n" ); document.write( "1. Between 245 and 255 calories
\n" ); document.write( "2. Less than 263 calories
\n" ); document.write( "3. Less than 248 calories
\n" ); document.write( "4. More than 238 calories
\n" ); document.write( "5. More than 272 calories \n" ); document.write( "

Algebra.Com's Answer #809770 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r\n" );
document.write( "Normal Distribution:  µ = 250 and σ = 10 \r\n" );
document.write( "Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus\r\n" );
document.write( "Continuous curve\r\n" );
document.write( "Chose 'a person'\r\n" );
document.write( "P(245 > x > 255) = P(x ≥ 63.0) = normalcdf(245, 255, 250, 10) = .3829\r\n" );
document.write( "P(x < 263) = P(x ≤ 263) = normalcdf(-9999, 263, 250, 10) = .9032\r\n" );
document.write( "P(x < 248) = P(x ≤ 248) = normalcdf(-9999, 248, 250, 10) = .4207\r\n" );
document.write( "P(x > 238 = P(x ≥ 238) = normalcdf( 238, 9999, 250, 10) = .8849\r\n" );
document.write( "P(x > 272 = P(x ≥ 272) = normalcdf( 272, 9999, 250, 10) = .0139\r\n" );
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document.write( "Important You feel comfortable using Your calculator.\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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