document.write( "Question 876154: The mean of a set of normally distributed data is 14 and standard deviation is 3. Which of the following could best represent a data value at the 93rd percentile?
\n" ); document.write( "9.5. 17. 18.5. 15.5
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Q:
\n" ); document.write( "The mean of a set of normally distributed data is 14 and standard deviation is 3. Which of the following could best represent a data value at the 93rd percentile?
\n" ); document.write( "9.5. 17. 18.5. 15.5
\n" ); document.write( "A:
\n" ); document.write( "In a standard normal distribution,
\n" ); document.write( "P(Z < 1.4758) ≈ 0.93
\n" ); document.write( "We find x such that
\n" ); document.write( "\"%28x+-+14%29%2F3+=+1.4758\"
\n" ); document.write( "\"x+=+3%281.4758%29+%2B+14\"
\n" ); document.write( "x = 18.4
\n" ); document.write( "The nearest answer is \"highlight%2818.5%29\"
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