Simple probability

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A vendor at the circus sells four colors of balloons: blue, purple, red, and yellow.
Find each probability.

(a) What is the probability of randomly choosing a red balloon?

(b) What is the probability of randomly choosing a green balloon?

(c) What is the probability of randomly choosing a blue or yellow balloon?

(d) What is the probability of randomly choosing a balloon that is NOT purple?

In one circus game, players randomly choose a rubber duck from a small pool.
Each duck is labeled with a number on the bottom. There are 20 ducks, labeled
1-20. Find each probability.

(a) What is the probability of randomly choosing a duck with the number 11?

(b) What is the probability of randomly choosing a duck with an even number?

(c) What is the probability of randomly choosing a duck with a number less
than 10?

2020 BensonVoss "Math Like a Boss"

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Multiple Choice

What is the probability of spinning an odd number? 

• even chance
• likely 
• certain
• impossible 

Multiple Choice

What is the probability of spinning the spinner and landing on the 7?

• impossible
• equally likely 
• unlikely 
• very likely 

Multiple Choice

What is the probability of rolling 15 with a pair of dice?

• impossible
• unlikely
• equally likely
• likely

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

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

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

Multiple Choice

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

Multiple Choice

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Multiple Choice

Find the probability of landing on yellow or green section of the spinner.

• 12.5%

• 25%

• 2%

• 75%

Multiple Choice

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

• 8/121
• 4/11
• 2/11
• 4/121

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