document.write( "Question 1197912: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a standard deviation of 2.68 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.5 inches and a standard deviation of 2.59 inches.\r
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document.write( "a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)?\r
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document.write( "b) If a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)?\r
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document.write( "c) Who is relatively taller?\r
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document.write( "-The 5 foot 11 inch American woman
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document.write( "-The 6 foot 3 inch American man \n" );
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Algebra.Com's Answer #848344 by onyulee(41)![]() ![]() ![]() You can put this solution on YOUR website! **a) Z-score for the 6-foot-3-inch man:**\r \n" ); document.write( "\n" ); document.write( "* **Convert height to inches:** 6 feet 3 inches = 75 inches \n" ); document.write( "* **Calculate z-score:** \n" ); document.write( " z = (x - μ) / σ \n" ); document.write( " z = (75 - 69.3) / 2.68 \n" ); document.write( " z ≈ 2.14\r \n" ); document.write( "\n" ); document.write( "**b) Z-score for the 5-foot-11-inch woman:**\r \n" ); document.write( "\n" ); document.write( "* **Convert height to inches:** 5 feet 11 inches = 71 inches \n" ); document.write( "* **Calculate z-score:** \n" ); document.write( " z = (x - μ) / σ \n" ); document.write( " z = (71 - 64.5) / 2.59 \n" ); document.write( " z ≈ 2.51\r \n" ); document.write( "\n" ); document.write( "**c) Who is relatively taller?**\r \n" ); document.write( "\n" ); document.write( "* The **woman** is relatively taller. \r \n" ); document.write( "\n" ); document.write( "**Explanation:**\r \n" ); document.write( "\n" ); document.write( "* A higher z-score indicates that the individual is further above the mean of their respective population. \n" ); document.write( "* The woman's z-score of 2.51 is higher than the man's z-score of 2.14, meaning she is further above the average height for women than the man is above the average height for men. \n" ); document.write( " \n" ); document.write( " |