Experiments to determine how likely an outcome is | Maths

Starter quiz

__________ is a single predefined test.
- An event
- An outcome
- A sample space
- A trial ✓
The likelihood of an outcome can be described as __________ if its likelihood of happening is the same as its likelihood of not happening.
- certain
- even chance ✓
- impossible
- likely
- unlikely
Which statement describes the meaning of 'unlikely'?
- An outcome has less chance of happening than not happening. ✓
- An outcome has the same chance of happening as not happening.
- An outcome has a greater chance of happening than not happening.
Which term belongs at point E on the scale of likelihoods?
- certain ✓
- even chance
- impossible
- likely
- unlikely
A bag contains counters that are each labelled with a letter from A to C. One counter is chosen at random from the bag. Which term describes the likelihood of choosing the letter 'B'?
- impossible
- unlikely ✓
- even chance
- likely
- certain
A regular six-sided dice is rolled. Match the events with the term that describes their likelihood of happening.
- rolling a factor of 6
  
  ⇔
  
  likely ✓
- rolling an integer
  
  ⇔
  
  certain ✓
- rolling a multiple of 6
  
  ⇔
  
  unlikely ✓
- rolling a negative number
  
  ⇔
  
  impossible ✓
- rolling a prime number
  
  ⇔
  
  even chance ✓