Language of probability
This word describes an event that will definitely happen, with a probability of 1.
The probability of rolling a 4 on a fair, 6-sided die.
What is 1/6?
A probability of 1 means an event is this.
What is certain?
A standard deck of cards has 52 cards. What is the probability of drawing a heart?
What is 13/52 or 1/4?
What is the hottest planet in our solar system?
Venus
This type of event has a probability of exactly 0.
What is impossible?
A bag contains 3 red marbles and 2 blue marbles. The probability of picking a blue marble.
What is 2/5 (or 40% or 0.4)?
If an event is "unlikely," its probability is less than this value.
What is 50%, 1/2, 0.5?
A spinner has 4 equal sections: Red, Blue, Green, Yellow. What is the probability of it landing on Red?
What is 1/4 (or 25%)?
What colour is a polar bear's skin under its fur?
Black
The set of all possible outcomes of a probability experiment.
What is sample space?
A coin is flipped, and it lands on heads 7 times out of 20. This is the experimental probability of landing on tails.
What is 13/20 (or 65% or 0.65)?
A 0.9 probability means an event is [likely/unlikely/certain].
What is likely?
You flip a coin twice. The sample space includes (H,H), (H,T), (T,H), and this final outcome.
What is (T,T)?
How many squares are there on a standard chessboard?
64
This term describes a trial where every possible outcome has the same probability of occurring.
What is even chance?
50/50
The probability of drawing a Queen from a standard deck of 52 cards.
What is 4/52 or 1/13?
Which of the following cannot be a probability: 0, 1, 1.5, or 0.5?
What is 1.5?
There are 6 girls and 4 boys in a class. If one is chosen at random, what is the probability it is a boy?
What is 4/10 or 2/5 (or 40%)?
True or False: Bananas are berries, but strawberries are not.
True
This term refers to the "not" version of an event or opposite of the event occurring.
What is the complement or complementary event?
The probability of drawing a face/picture card from a deck of cards?
What is 12/52, 3/13?
The complement of an event with a probability of 0.25 has this probability.
What is 0.75?
The letters in the word "PROBABILITY" are put into a bag. What is the probability of pulling out a vowel?
What is 4/11?
How many bones does an adult human typically have?
🦴
206