A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

A regular 6-sided die is to be rolled once. What is the probability that a number less than or equal to 4 is rolled?

A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?

One card is randomly picked from a regular deck of cards. What is the theoretical probability that the card picked is a jack?

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

Sarah, Sammie, Victor, Vicki, Valerie are in a math group. Two students are randomly chosen to be co-leaders. What is the probability that both students' names begin with the letter V?