Understanding Probability Calculations

According to the meteorologist, there is a 80% chance of rain on Monday. This means that the chance of rain is _________.

• Certain

• Likely

• Unlikely

• Impossible

In a deck of cards, what is the likelihood of selecting an ace?

• impossible

• unlikely

• as likely as unlikely

• likely

Based on the chart, what is the probability of pulling a green marble?

• 1/8

• 8/25

• 8/100

• 7/8

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

You have the following scrabble tiles. How many favorable outcomes are there of using a vowel?

• 2

• 1

• 0

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

A fair six-sided die is rolled. What is the probability of rolling a number greater than 4?

A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card drawn is a heart?

In a class of 30 students, 18 are girls and 12 are boys. If a student is selected at random, what is the probability that the student is a boy?

A box contains 4 black, 3 white, and 5 red marbles. If one marble is drawn at random, what is the probability that it is not black?