Which event is least likely to occur? Rolling a 2 on a six-sided die, numbered from 1 to 6.

Spinning a spinner divided into five equal-sized sections colored red/green/yellow/blue/purple and landing on yellow or purple.

Winning a raffle that sold a total of 100 tickets, if you buy 72 tickets.

Reaching into a bag full of 15 strawberry chews and 5 cherry chews without looking and pulling out a strawberry chew.​