Year 9 Reviewing Probability

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The list of all possible outcomes of an experiment.is called the

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the complement

the probability

event

sample space

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One of the possibilities resulting from a chance experiment is called

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a complement

a probability

an event

an outcome

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In a bag, there are 7 red marbles and 4 green marbles. One marble is selected from the bag at random. The probability it is green is

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Two coins are tossed. The chance that the coins show both heads uppermost is

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1/4

1/2

1/3

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I throw a dice. What is the probability that the face uppermost shows a number less than 3?

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1/6

1/3

1/2

2/3

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Find P(a number which is at least a 3).

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1/7

2/7

5/7

3/7

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Find the probability of obtaining a blue ball if a ball is selected at random from a box that contains 8 blue balls, 15 black balls and 9 green balls

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8/15

8/24

1/3

1/4

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