Probability Quiz/Review

A fair spinner with sections 1 through 5 is spun 50 times. The results are shown in the table. Which section's experimental probability (relative frequency) comes closest to it's theoretical probability?

• Section 1

• Section 2

• Section 3

• Section 4

• Section 5

A spinner is marked with four sections and was spun 100 times. Is this experimental or theoretical probability?

• experimental

• theoretical

Using the simulation in the picture, what is the experimental probability that a hurricane will hit in at least 4 of the next 10 years?

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

What is the probability that someone who likes Toyotas is female? 

• .525

• .4627

• .6774

• .3143

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

If a fair six-sided die is rolled one time, what is the probability of rolling a number greater than 4?

In a class of 20 students, 9 students have dogs, 5 have cats, and 6 have neither. What is the probability that a randomly selected student has either a dog or a cat?

A coin is flipped 100 times resulting in 45 heads and 55 tails. What is the experimental probability of flipping a head?

A spinner has 4 equal sections colored red, blue, green, and yellow. If you spin the spinner 200 times and it lands on green 70 times, what is the experimental probability of landing on green?