document.write( "Question 503814: A test consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. TO pass the test a student must get 60% or better on the test. If a student randomly guesses, what is the probability the student will pass the test?\r
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document.write( "how would i solve this? i know that n=10 abd p is either= .05 (5/100) or .05X.5=.025 i times the .05 but .5 because the student ramdomly guess which is 50% \n" );
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Algebra.Com's Answer #339422 by stanbon(75887) ![]() You can put this solution on YOUR website! A test consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. TO pass the test a student must get 60% or better on the test. If a student randomly guesses, what is the probability the student will pass the test? \r \n" ); document.write( "\n" ); document.write( "how would i solve this? i know that n=10 abd p is either= .05 (5/100) or .05X.5=.025 i times the .05 but .5 because the student ramdomly guess which is 50% \n" ); document.write( "---------------- \n" ); document.write( "Binomial Problem with n = 10 and p = 1/5 \n" ); document.write( "--- \n" ); document.write( "60% of 10 is 6 \n" ); document.write( "--- \n" ); document.write( "Solve using a TI-84 calculator: \n" ); document.write( "P(6<= x <=10) \n" ); document.write( "= 1-P(0<= x <=5) \n" ); document.write( "= 1-binomcdf(10,1/5,5) \n" ); document.write( "= 0.0064 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |