Probability Practice!

What color are you most likely to pick?

• Red

• Blue

• Green

• Yellow

Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red?

• 1/2
• 1/5
• 1/10
• 5/8

A die is rolled once.  What is the probability of rolling an odd number? Your answer should be a fraction in simplest form.

• 1/6
• 1/2
• 3/6
• 2/5

A die is rolled once.  What is the probability of rolling a 5 or a 6? Your answer should be a fraction in simplest form.

• 5/6
• 2/6
• 1/3
• 1/5

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent
• Dependent

What is the probability that a randomly selected student prefers athletics given that the student prefers math? Leave as a fraction.

What is the probability that a randomly selected student wants to be a therapist given that the student has a fear of snakes? Leave as a fraction.