Find the percent of change. 20 increased to 40

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

What is the range for 31,39,29,34,37,24,36,33,34,28