SOLUTION: 1)number of ways selecting 6 correct answers from 25 multiple choice questions having 4 options each.(with skipping and without skipping of questions)
2)probability of answering
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Question 815305: 1)number of ways selecting 6 correct answers from 25 multiple choice questions having 4 options each.(with skipping and without skipping of questions)
2)probability of answering 5 or more than 5 correct answers from 6 questions having 4 options.
Answer by faiz19(4) (Show Source): You can put this solution on YOUR website!
1) 25C6*4^19(with skipping) 25C6*3^19(without skipping)
2)6C5*0.25^5*0.75^1+6C6*0.25^6
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