Ten disks are each numbered with one of the integers 1 through 10. No two disks are numbered with the same integer. If two disks are selected at random and without replacement, what is the probability that both disks selected are numbered with an even integer?
Even Integers are, 2,4,6,8,10, in total 5 numbers of even integers.
Probability= 5/10 x 4/9 = 2/9.
Answer: B.
Even Integers are, 2,4,6,8,10, in total 5 numbers of even integers.
Probability= 5/10 x 4/9 = 2/9.
Answer: B.