document.write( "Question 455681: USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners up for parole.\r
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document.write( "Let x = number of prisoners out of five on parole who become repeat offenders. \r
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document.write( "x 0 1 2 3 4 5
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document.write( "P(x) 0.202 0.388 0.215 0.163 0.031 0.001 \r
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document.write( "Compute σ, the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.)
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document.write( "σ = ???? prisoners \r
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document.write( "How Do I figure out the 0 sigma, standard of deviation. I thought it was 1.71 or 1.87, but none of those are correct. Please advise. I am using a TI84 plus calculator and can not figure out this problem. \r
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document.write( "Thanks!
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Algebra.Com's Answer #312831 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners up for parole. \n" ); document.write( "Let x = number of prisoners out of five on parole who become repeat offenders. \n" ); document.write( "x 0 1 2 3 4 5 \n" ); document.write( "P(x) 0.202 0.388 0.215 0.163 0.031 0.001 \r \n" ); document.write( "\n" ); document.write( "Compute σ, the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.) \n" ); document.write( "σ = ???? prisoners \n" ); document.write( "How Do I figure out the 0 sigma, standard of deviation. I thought it was 1.71 or 1.87, but none of those are correct. Please advise. I am using a TI84 plus calculator and can not figure out this problem. \n" ); document.write( "--------------- \n" ); document.write( "I put 0-5 in L1 \n" ); document.write( "and the P(x) numbers in L2 \n" ); document.write( "and ran STAT;1-Var Stats L1,L2 \n" ); document.write( "to get Sigmax = 1.083469 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |