document.write( "Question 1201092: Suppose 10% of new scooters will require warranty service within the first
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\n" ); document.write( "(i) Calculate the mean and standard deviation of scooters that require
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\n" ); document.write( "(ii) Calculate the moment coefficient of skewness and Kurtosis of the
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Algebra.Com's Answer #835366 by ikleyn(52817)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "        In this post,  I will answer question  (i),  only.\r
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document.write( "(i)  to calculate the mean and the standard deviations for the binomial distribution, use the formulas\r\n" );
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document.write( "    mean = np = 1000*0.10 = 100.    ANSWER\r\n" );
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document.write( "    SD = \"sqrt%28n%2Ap%2A%281-p%29%29\" = \"sqrt%281000%2A0.1%2A%281-0.1%29%29\" = \"sqrt%2890%29\" = 9.4868 (rounded).     ANSWER\r\n" );
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