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johnyyy
Questions and answers by visitors named
johnyyy
Questions (3)
A student is to answer 10 out of 13 questions in an exam. how many choices he has if he must answer at least 3 of the first
2 answers
535 views
A student s to answer 10 out of 13 questions in an exam. How many choices he has if he must answer at least 3 of the first 5
4 answers
1,267 views
Two cards are drawn in succession from a deck without replacement. What is the probability that both cards are greater than 2
2 answers
800 views
