A bag contains 17 tickets, numbered from 1 to 17. A ticket is drawn and another ticket is drawn without replacing the first one. Find the probability that both the ticket may show even numbers.

Explanation

8 even umbers are 9 odd numbers

`HC_2``8C_2`

order even numbers=`21*8C_2`

`8P_2=(8!)/((8-2)!)`

`(8!)/(6!)=7*8`

`(17!)/(2!(117-2)!)`

`(16*17)/2=8*17`

ratio=`(8*7)/(8*17)=7/17`