document.write( "Question 1117998: The mean height of women in a country (ages 20minus29) is 63.6 inches. A random sample of 75 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 inches? Assume sigmaequals2.98.
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document.write( "The probability that the mean height for the sample is greater than 64 inches is? \n" );
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Algebra.Com's Answer #733271 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The mean height of women in a country (ages 20minus29) is 63.6 inches. A random sample of 75 women in this age group is selected. \n" ); document.write( "What is the probability that the mean height for the sample is greater than 64 inches? Assume sigmaequals2.9 \n" ); document.write( "----- \n" ); document.write( "z(64) = (64-63.6)/[2.98/sqrt(75)] = 0.0582 \n" ); document.write( "--- \n" ); document.write( "P(x-bar > 64) = P(z > 0.0582) = normalcdf(0.0582,100) = 0.4768 \n" ); document.write( "The probability that the mean height for the sample is greater than 64 inches is \n" ); document.write( "47.68% \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |