document.write( "Question 648024: \"A student has to sit for an examination consisting of 3 questions selected randomly from a list of 100 questions. To pass, he should answer all the three questions. What is the probability that the student will pass the examination, if he knows the answer to 90 questions on the list.\"\r
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document.write( "I have asked this question before and i got the answer as .729 but its the wrong answer. I have also solved it the same but correct answer is .798 and i don't know how to get this one...?????????
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Algebra.Com's Answer #406547 by asd123456(1)![]() ![]() ![]() You can put this solution on YOUR website! Yaah....i also thought that answer should be this way. But we got the question in test and prof has given the correct answer as .798. Also searched it on Google, this question is from \"probability through problems\" book...and not getting its soft or hard copy to check the answer....and prof has not explained it yet but so eager to know how it could be .798.... \n" ); document.write( "well, its Ok..if you also think that it should be .726. \n" ); document.write( " |