Question
Respected sir...maybe the answer to 3.iii doesn't match with textbook ans because b2=-10 and b1/b2= 5/3/-10
= -1/6 ....and not 1/6...
Then a1/a2 not equals to b1/b2
So its consistent.
= -1/6 ....and not 1/6...
Then a1/a2 not equals to b1/b2
So its consistent.
There are 10 students of which three are graduates. If a committee of five is to be formed, What is the probability that there are i. only 2 graduates ii. At least 2 graduates?