document.write( "Question 1203151: About 4% of the population has a particular genetic mutation. 600 people are randomly selected.\r
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Algebra.Com's Answer #838484 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "It is the binomial distribution with parameters n = 600 (the number of trials)\r\n" );
document.write( "and p = 0.04 (the probability of success for an individual trial).\r\n" );
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document.write( "The standard deviation of this distribution is\r\n" );
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document.write( "    SD =  =  = 4.8.    ANSWER\r\n" );
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