document.write( "Question 469323: USA Today reports that about 25% of all prison parolees become repeat offenders. Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees.
\n" );
document.write( "(a) Find the probability P(r) of r successes ranging from 0 to 4. (Round your answers to three decimal places.) P(0) = 1
\n" );
document.write( "P(1) =
\n" );
document.write( "P(2) =
\n" );
document.write( "P(3) =
\n" );
document.write( "P(4) =
\n" );
document.write( " (b) Make a histogram for the probability distribution of part (a). \n" );
document.write( "
Algebra.Com's Answer #322001 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! USA Today reports that about 25% of all prison parolees become repeat offenders. Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees. \n" ); document.write( "(a) Find the probability P(r) of r successes ranging from 0 to 4. (Round your answers to three decimal places.) \n" ); document.write( "--- \n" ); document.write( "Note: This is a binomial problem with n = 4 and p = 0.25 \n" ); document.write( "---- \n" ); document.write( "For each of the following P(r) = (4Cr)(0.25)^r*(0.75)^(4-r) \n" ); document.write( "----- \n" ); document.write( "Example: \n" ); document.write( "P(0) = (4C0)(0.25)^0*(0.75)^4 = 1*1*0.3164 = 0.3164 \n" ); document.write( "------- \n" ); document.write( "etc. \n" ); document.write( " \n" ); document.write( "P(1) = \n" ); document.write( "P(2) = \n" ); document.write( "P(3) = \n" ); document.write( "P(4) = \n" ); document.write( "(b) Make a histogram for the probability distribution of part (a). \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " \n" ); document.write( " |