Introduction to Probability

A bag contains 5 blue, 12 green, 9 red, and 4 yellow marbles. What is the probability of pulling a green marble out of the bag?

• 40%

• 12%

• 67%

• 60%

A restaurant sells eggs for breakfast. Of the last 12 orders, 8 were for scrambled eggs. What is the experimental probability that the next customer will order scrambled eggs?

• 33%

• 40%

• 67%

• 20%

The spinner is spun 40 times. How many times is it likely to land on the grey (C) section?

• 5

• 10

• 20

• 3

What is the experimential probability of spinning a green? (use a reduced fraction)

Mathematical Equivalence

ON

A spinner is divided into 4 equally sized selections. The sections are blue, green, red, and yellow. The results of 1000 spins are shown in the table.

What is the experimential probability of spinning a green? (use a reduced fraction)

Mathematical Equivalence

ON

Vy is shopping for a car. It comes in red, blue, or silver. She can also choose a 2-door and 4-door version along with a manual or automatic transmission. What is the theoretical probability that Vy will pick 4-door car, automatic transmission and it being red or blue?

Mathematical Equivalence

ON

Rene has a closet of various colored shirts. He has 5 t-shirts, 8 sweaters, 3 long sleeved shirts, and 2 hoodies. What is the probability he will NOT take a t-shirt or long sleeved shirt out of the closet?

• 28%

• 67%

• 44%

• 55%

Colored chips are pulled out of a bag. The results are shown in the table above. Based on the table, what is the probability that you will pull a yellow or red chip out of the bag?

• 20%

• 55%

• 15%

• 45%

Penelope has 12 muffins in a box. There are 3 blueberry, 4 poppy seed, and 5 chocolate chip. What is the probability she will randomly grab a poppy seed muffin?

• 0.25

• 0.42

• 0.33

• 0.58

18 students took a test on probability and 15 got a 3, what is the probability that the next student will get a 3 on the test?

• 83%

• 17%

• 45%

• 55%