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
\n" ); document.write( "
\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( "

Algebra.Com's Answer #339422 by stanbon(75887)\"\" \"About 
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( "
\n" );