document.write( "Question 404205: A driver’s license examiner knows that 75% of all applicants have attended a driving school. If an applicant has attended a driving school, the probability is 0.85 that he or she will pass the license examination, and if an applicant has not attended a driving school, the probability is 0.60 that he or she will pass the examination. What is the probability that an applicant passes the license examination? \n" ); document.write( "
Algebra.Com's Answer #285671 by robertb(5830)\"\" \"About 
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P(pass) = P(pass AND school) + P(pass AND no-school)
\n" ); document.write( "= P(pass|school)*P(school) + P(pass|no-school)*P(no-school)
\n" ); document.write( "= 0.85*0.75 + 0.60*0.25
\n" ); document.write( "= 0.7875
\n" ); document.write( "
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