Introduction into Probability

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of selecting a red marble randomly from the bag?

If you roll a fair six-sided die numbered 1 through 6, what is the probability of rolling a number greater than 4?

What is the probability of landing on tails?

You have a jar filled with 10 candies: 3 are chocolate, 4 are strawberry, and 3 are vanilla. If you pick one candy randomly, what is the probability it is chocolate?

A spinner is divided into 6 equal parts, numbered 1 through 6. If you spin the spinner, what is the probability it lands on an odd number?

There are 25 students in a class, 12 boys and 13 girls. If a student is chosen at random from the class, what is the probability that the student is a girl?

If you toss a fair coin, what is the probability of getting tails?

You have a bag with 4 red marbles, 3 blue marbles, and 5 green marbles. If you pick one marble without looking, what is the probability it is blue?

Spinning a 4 sectioned spinner labeled 1,2,3,4 and landing on a number less than 3?

You have a bag containing 8 white marbles and 6 black marbles. If you randomly select one marble from the bag, what is the probability of selecting a black marble?