Probability and Chance (Leaving Cert Mathematics): Flashcards
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Practise the cards
15 cards from this deck
Definition of probability
Definition of probability
Way of using numbers to measure how likely something is to happen
Range of the probability scale
Range of the probability scale
From 0 to 1
Meaning of probability = 0
Meaning of probability = 0
Impossible (event cannot happen)
Meaning of probability = 1
Meaning of probability = 1
Certain (event will definitely happen)
Probability value for 'even chance'
Probability value for 'even chance'
0.5 or
Probability range for 'unlikely'
Probability range for 'unlikely'
Less than 0.5
Probability range for 'likely'
Probability range for 'likely'
Greater than 0.5
Probability for 'very unlikely'
Probability for 'very unlikely'
Close to 0
Probability for 'very likely'
Probability for 'very likely'
Close to 1
Events closer to 1 on probability scale
Events closer to 1 on probability scale
More likely to happen
Events closer to 0 on probability scale
Events closer to 0 on probability scale
Less likely to happen
What 'even chance' means
What 'even chance' means
Equally likely to happen or not happen
Example of an impossible event
Example of an impossible event
Rolling a 7 on a normal six-sided dice
Example of a certain event
Example of a certain event
The sun will rise tomorrow
Example of an even chance event
Example of an even chance event
A coin landing on heads when flipped