Simple, Theoretical, and Tree Diagrams Probability

P(event) = ​ (a)   /​ (b)  

• desirable outcome
• total outcomes
• complement
• complement
• minimum outcome
• probability
• minimum outcomes
• 100

What is the probability of landing on red when spinning the spinner once? Put your answer in a decimal form (Example: .33)

Match the following probability events

• 1/2 (50/50)

• Probability of winning the lottery every time you play

• Unlikely (25%)

• Probability of flipping a coin once and getting heads

• 0% (Impossible)

• P(1,2,or 3) of a spinner that is labeled from numbers 1 through 4

• 3/4 (Likely, 75%)

• Probability of your teacher giving a pop test

• 100% (2/2, Certain)

• P(heads or tails) when flipping a coin once

Dovanie flips a coin twice and drew a tree diagram to represent the possible outcomes. Did she draw her tree diagram correctly to fit the situation correctly?

• True

• False

There is a number cube numbered from 1-6 being rolled once, order the answer choices from least to greatest of the probable events that may occur.

• P(7)

• P(all numbers)

• P(4)

• P(odds)

• P(1,2,5,or 6)

Draw a tree diagram to represent the situation. 7th graders are choosing one boy and one girl to represent them in student council. The boy representatives to choose from are Wyatt, Diego, and Stayve. The girl representatives to choose from are Ezabella, Harper, and Madalyn.

Sandra flips a coin. The probability that the coin will land on tails is ​ (a)   . If Sandra flips the coin 26 times. The coin will land on tails ​ (b)  

times.

• 1/2
• 13
• 1/4
• 12
• 26
• 1/3

If the spinner is spun 80 times, how often can you expect it to land on the yellow shaded section?

• 15 times

• 20 times

• 25 times

• 30 times

Aspen has a bag of marbles containing 6 red marbles, 4 blue marbles, 2 yellow marbles, and three green marbles. There are ​ (a)   total marbles in the bag. Aspen wants to pull out a yellow marble and she says the probability of that is ​ (b)  

• 15
• 2/15
• 10
• 14
• 12
• 13
• 2/10
• 3/15
• 1/5

Arihanna is going candy shopping before her movie. She wants to get one sour candy, one chocolate candy, and one sweet candy. In the candy aisle at Walmart there 4 chocolate options, 3 sour candy options, and 5 sweet candy options.

How many total possibilities are there for Arihanna to choose from?

• 12 total outcomes

• 17 total outcomes

• 48 total outcomes

• 60 total outcomes