7.6I Probability

7.6I Probability

By Courtney Tout

Probability Examples

Multiple Choice

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

Multiple Choice

How many total outfit options are represented?

• 12
• 22
• 3

Let's Review Probability

Probability =

​

​

And = x

Or = +​

​

Multiple Choice

What is the difference between experimental and theoretical probability?

• Experimental is based on trials, Theoretical is based on theory

• Experimental is based on theory, Theoretical is based on trials

• There is no difference, they are the same

Multiple Choice

Which event is an Unlikely Outcome or has a 0% Probability of happening?

• Snow on Christmas

• Rain in a Tropical Rain Forest

• Selecting a Male Dog

• Easter Tuesday

Multiple Choice

You pick a marble from this bag.

What is the probability you will choose either a black or white marble?

• $$\frac{3}{5}$$

• $$\frac{9}{100}$$

• $$\frac{1}{10}$$

• $$\frac{2}{5}$$

Multiple Choice

You pick a marble from this bag.

What is the probability you will choose a stripped marble?

• $$\frac{3}{5}$$

• $$\frac{4}{100}$$

• $$\frac{1}{10}$$

• $$\frac{2}{5}$$

Multiple Choice

P(2 then 5) = 

• 1/6
• 1/12
• 1/36

Multiple Choice

A spinner and a fair number cube are used in a game. The spinner has an equal chance of landing on 1 of 6 colors: red, purple, blue, green, white, and orange. The faces of the cube are labeled 1 through 6. What is the probability of a player spinning the color orange and then rolling a number greater than 3?

• 1/6

• 1/3

• 1/12

• 1/8

Multiple Choice

A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of  drawing a blue piece of candy?

• ¹/₂
• ¹/₁₀
• ³/₁₀
• ¹/₃

Multiple Choice

A spinner consists of two A’s, three B’s, and three C’s. What is the probability of  spinning a B?

• ²/₈
• ²/₃
• ³/₈
• ¹/₄

Multiple Choice

Sophie surveyed students about their favorite music. He results are shown.

Based on the data in the table, what is the probability that a randomly selected student prefer hip hop music?

HInt: $$\frac{hiphop}{total}$$  

• 7/30

• 1/3

• 2/3

• 23/30

Multiple Choice

The spinner shown is divided into congruent sections labeled 1 through 8.

If the spinner is spun twice, what is the probability that the arrow will land on 1 and then on 8?

• 1/8

• 1/4

• 1/64

• 1/32

Multiple Choice

A classroom is arranged with 8 seats in the first row, 10 seats in he middle row, and 12 seats in the back row. The teacher randomly assigned seats to parents as they enter the classroom.

What is the probability that the first parents who enters the classroom will be assigned a seat in the second row?

• 2/5

• 1/3

• 4/11

• 4/15

Multiple Choice

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

Multiple Choice

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

Multiple Choice

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

Multiple Choice

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

Multiple Choice

What is the probability of rolling a cube and having land as an odd number?

• 3/4
• 1/3
• 1/2
• 2/5

Multiple Choice

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

Multiple Choice

Brooke has a box of crayons. 45 are yellow, 12 are green, 25 are blue, and 7 are red. If Brooke selects a crayon at random, which color crayon would she be most likely to select?

• yellow

• green

• blue

• red

Multiple Choice

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak?

P(pizza or steak)

• 20%

• 65%

• 50%

• 35%

Multiple Choice

You completed an experiment where you rolled a dice 12 times and recorded your data in the table above. What is the experimental probability of rolling a 4?

• 2/6

• 1/6

• 1/12

• 5/12

Multiple Choice

You completed an experiment where you rolled a dice 12 times and recorded your data in the table above. What is the experimental probability of rolling a 3?

• 0%

• 100%

• 50%

• 25%

Multiple Choice

You completed an experiment where you rolled a dice 12 times and recorded your data in the table above. What is the experimental probability of rolling a 5?

• 1/3

• 2/3

• 1/12

• 2/12

Multiple Choice

You complete a trial where you draw 100 cards. Of the 100, 42 are black and 58 are red. What is the experimental probability of the next card being black?

• 42%

• 58%

• 40%

• 50%

Multiple Choice

You complete a trial where you draw 100 cards. Of the 100, 42 are black and 58 are red. What is the experimental probability of the next card being red?

• 42%

• 40%

• 50%

• 58%

Multiple Choice

Dylan made 15 out of 35 free throws.

What's his experimental probability as a simplified fraction?

• 3/7

• 15/35

• 1/2

• 5/7

Multiple Choice

The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were not blue?

• 2/5

• 3/5

• 4/5

• 1/5

Multiple Choice

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

Multiple Choice

Jason rolls a die 14 times.. What is the Experimental probability that he will roll a 1 or 6?

• 1/3

• 1/4

• 3/7

• 1/8