Math word probability help

Question

You bought 7 raffle tickets. A total of 1302 raffle tickets were sold. If every raffle ticket has an equal chance at winning, what is your probability of not winning? Simplify your answer.

Answer 1

Hi    The probability of winning is 7/1302  . The probability of not winning  is  1295/1302 . 

the probability of winning and not winning is 1.

I hope this helps. Bruce