Dice
What is the probability of rolling a six on a 6 sided die?
The probability of rolling a six is 1/6.
What is the sample space?
3 red, 2 blue, 1 green
What is the RF of black if it came up 4 times in 20 spins?
RF black = 4/20 = 0.2
What is the probability of picking a four in a deck of cards?
The probability of getting a four in a deck of cards is 1/13.
6 letter word for the possibility that something might happen.
Chance
What is the probability of rolling a prime number?
3:6
What is the probability of spinning red?
The probability of spinning red is 3/6 or 1/2.
What is the RF of purple if it came up 25 times in 100 spins?
The RF of purple is 25/100 = 0.25
What is the probability of getting a six from a deck of cards?
The probability of getting a six from a deck of cards is 1/13.
Mathematically working out the chance of something happening.
Theoretical probability
What is the probability of rolling an even number on a 6 sided die?
The probability of rolling an even number is 1/2.
What is the probability of spinning blue?
The probability of spinning blue is 2/6 or 1/3
What would the expected number of times pink would come up if I spun the spinner 50 times after it came up 3 out of 10 spins?
RF of pink = 3/10 = 0.3 0.3 x 50 = 15 times.
What is the probability of getting a jack from a deck of cards?
The probability of getting a jack from a deck of cards is 1/13.
Probability of something never having a change of happening.
Impossible
What is the probability of rolling a number between 1 and 4 on a 6 sided dice?
The probability of rolling a number between 1 and 4 on a 6 sided dice is 1/3.
What is the probability spinning green?
The probability spinning green is 1/6
RF Mars Bar = 5/25 = 0.2 0.2 x 10 = 2 times
What is the probability of getting a diamond from a deck of cards?
The probability of getting a diamond from a deck of cards is 1/4.
The result in an event that will favour me.
Favourable outcomes.
What is the probability of rolling at least a 2 on a 6 sided dice?
The probability of rolling at least a 2 on a 6 sided dice is 5/6.
What is the probability spinning not a blue or green?
The probability of spinning not blue or green is 3/6 or 1/2.
I predicted I would pull out 10 blue smarties in 100 dips. When I did do it, the RF was 0.15. Did it match my prediction? Explain.
10 times means the predicted RF was 0.1.
Experimental RF was 0.15 so 0.15 x 100 = 15. No did not match prediction because it was experimental not theoretical.
What is the probability of getting a jack or a king from a deck of cards?
The probability of getting a jack or a king from a deck of cards is 2/13.
Evidence that my prediction was correct
Calculated probability DATA - such as decimal, percent, fraction or RF.