Probability Flashcards
What do mean by
‘What is the probability of an event happening’
It is a value that can either be expressed as a fraction or a decimal and it determines what is the chance the event will happen.
What is the probability of a sure event?
1
What is the probability of an impossible event?
0
What is the range of values for the probability of a
likely or unlikely event?
Between 0 and 1
How is the probability of an event measured?
What is the total number of outcomes of tossing a coin
2
What is the number of outcomes of getting a head when you toss a coin
1
What is the probability of getting a heads when you throw a coin?
What is the total number of outcomes of throwing a dice
6
What is the number of outcomes of getting an even number when throwing a dice
3
What is the probability of getting an even number when throwing a dice
What is the probability of an event not happening?
It is the same as subtracting the probability of the event happening from 1
What is the probability of getting black when you spin
1/4 or 0.25
What is the probability of getting black or blue when you spin
0.25 + 0.25 = 0.5
What is the probability of getting green when you spin
0
What is the probability of getting an even number when you spin
3/5 ot 0.6
What is the probability of not getting a number greater than 1 when you spin
1
