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Worksheetsprobabilities
Total questions: 11
Worksheet time: 6mins
The probability of an event is .....
a number between 0 and 1
the chance that the event occurs
a fraction less than or equal to 1
the likelihood of the event which must be in between 0 and 1
A chance of getting a 2 when you roll a fair dice is
1/2
2/6
1/6
0.2
The chance that tomorrow will rain is 0.8. How can i describe this probability in word?
It is likely that it will rain tomorrow
It is very likely that it will rain tomorrow
It will definitely rain tomorrow
it is an even chance that it will rain tomorrow
The chance of landing on green is
3/6
2/8
3/8
1/6
The chance of getting a Head when flipping a fair coin is 50/50. Peter flips his coin 10 times and he gets only two Heads. So the chance of getting Head is really 2 out of 10. Why?
Because Peter was not lucky enough. It should be an even chance of getting Head/Tail in coin flipping
Because what we predict is different to what actually happen
Because when you flip the coin once, the chance of getting Head is 50/50. But when you flip the coin more than once, this chance changes.
Because Peter only flips 10 times, if he flips 100 times. The probability is going to be 50/50
A group of people were survey and the result is summarised above. How many percent of people surveyed only have dogs as pet?
25%
10%
35%
30%
A group of people were survey and the result is summarised above. How many people surveyed have cats or dogs as pet if 100 people were surveyed?
10
35
45
60
A group of people were survey and the result is summarised above. How many people surveyed have cats and dogs as pet if 100 people were surveyed?
10
25
45
60
Penny will play 2 games of badminton against Monica. P denotes a Penny win and M denotes a Monica win. The probability of Penny winning exactly one match is
1/4
0.5
3/4
0.4
Penny will play 2 games of badminton against Monica. P denotes a Penny win and M denotes a Monica win. The probability of Monica win the first match is
1/2
0.25
3/4
0.65
60/105
60/95
60/188
60/83
