document.write( "Question 1012090: can someone please help me out with this problem?\r
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document.write( "Heights of men on a baseball team have a bell-shaped distribution with a mean of 173 cm and a standard deviation of 6 cm. Using the empirical rule, what is the approximate percentage of the men between the following values?\r
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document.write( "a. 155 cm and 191 cm
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document.write( "b. 167 cm and 179 cm\r
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document.write( "a.
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document.write( "___% of the men are between 155 cm and 191 cm.
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document.write( "(Round to one decimal place as needed.)
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document.write( "b.
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document.write( "___% of the men are between 167 cm and 179 cm.
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document.write( "(Round to one decimal place as needed.) \n" );
document.write( "
Algebra.Com's Answer #627945 by Theo(13342) You can put this solution on YOUR website! Heights of men on a baseball team have a bell-shaped distribution with a mean of 173 cm and a standard deviation of 6 cm. Using the empirical rule, what is the approximate percentage of the men between the following values?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a. 155 cm and 191 cm \n" ); document.write( "b. 167 cm and 179 cm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a. \n" ); document.write( "___% of the men are between 155 cm and 191 cm. \n" ); document.write( "(Round to one decimal place as needed.) \n" ); document.write( "b. \n" ); document.write( "___% of the men are between 167 cm and 179 cm. \n" ); document.write( "(Round to one decimal place as needed.) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "z-score = (raw-score minus mean) / standard deviation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "mean is 173 and standard deviation is 6.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "z1a = (155 - 173)/6 \n" ); document.write( "z1b = (191 - 173)/6\r \n" ); document.write( "\n" ); document.write( "z2a = (167 - 173)/6 \n" ); document.write( "z2b = (179 - 173)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for z in each of these equations to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "z1a = -3 \n" ); document.write( "z1b = 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "z2a = -1 \n" ); document.write( "z2b = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the empirical rule says:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "68% will fall within the first standard deviation, 95% within the first two standard deviations, and 99.7% will fall within the first three standard deviations of the mean. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is also referred to as the Three Sigma Rule, or the 68-95-99.7 Rule.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your solutions are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a. \n" ); document.write( "99.7% of the men are between 155 cm and 191 cm. \n" ); document.write( "(Round to one decimal place as needed.)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b. \n" ); document.write( "68% of the men are between 167 cm and 179 cm. \n" ); document.write( "(Round to one decimal place as needed.) \n" ); document.write( " \n" ); document.write( " |