document.write( "Question 791783: Confused on where to go from here. below is what I have done so far with this problem.. Help Please!\r
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document.write( "B) In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect.
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document.write( "Mean=µ=np=25(0.20 )=5
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document.write( "Variance=σ ^2=npq=25(0.20)(0.80)= 4\r
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document.write( "Thanks,
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document.write( "Cass
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Algebra.Com's Answer #479720 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Standard deviation is the square root of the variance.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "Egw to Beta kai to Sigma \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |