1i got 251/252 i m sure its wrong:(
There are 10 DVD players and 10 DVDs 5 DVD players and 5 DVDs are defective out of 5 correct DVDs 3 are hindi 2 are english
DVDs are inserted in players at random find the prob that:
i) atleast 1 movie is watched
ii) a hindi movie is played given that atleast 1 movie is played.....
Don't tell me this ques. has been asked asked earlier......i want solution
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3 Answers
111)
See, if the total number of cases possible are taken into account, it's 100....and for a movie to be watched, I have (5C1 X 5C1) = 25 ways, so ans should be 25100=14......