Flashcards
Year 7 Probability
Flashcards do conjunto (16)
- 1What is the probability scale?It is a line that is used to show how likely something is to happen. It ranges from impossible to certain.
- 2What does impossible mean?Something that will never happen. It is not possible.
- 3What is the next word up from impossible on the probability scale?Unlikely
- 4What does unlikely mean?Something that probably won't happen, but it is possible.
- 5What is next up from unlikely?Even chance
- 6What does even chance mean?That something is just as likely to happen as it is not to happen.
- 7What is next up from even chance?Likely
- 8What does likely mean?When something is probably going to happen, but it might not.
- 9What is the final word on the probability scale?Certain
- 10What does certain mean?When something is definitely going to happen and there is no chance of it not happening.
- 11What is the probability that you will turn 540 years old next Wednesday?Impossible
- 12If you toss a coin, what is the probability of it being tails?Even chance
- 13If there is a bag which has 10 sweets in, 5 red, 2 yellow and 3 green, what is the probability that I pick out a red one?5/10 = 1/2
- 14How do you find relative frequency?Relative frequency = Number of times an event occurs / Number of times the test is repeated
- 15Is probability written as a decimal or a fraction?Experimental probability is written as a decimal, but theoretical is a fraction
- 16How would you work out the probability of rolling an even number on a dice?Probability = The number of even numbers (3) divided by the number of possible outcomes (6)
p(even number) = 3/6
Informações
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- GCSE Maths (Year 7) FlashCards sobre Year 7 Probability, criado por Ellen Billingham em 05-05-2013.
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- Ellen Billingham
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