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12.03 Theoretical probability

Interactive practice questions

Yuri has $5$5 blue marbles in a bag, along with $3$3 marbles of other colours.

Yuri picks a marble from the bag without looking.

What is the probability that Yuri picks a blue marble?

Easy
< 1min

A bag contains $21$21 red marbles and $26$26 blue marbles.

Easy
< 1min

A spinner has $5$5 sectors with a A star, $2$2 sectors with An apple, and $3$3 sectors with a An elephant. All the sectors are the same size.

Easy
< 1min

A letter is chosen at random from the word COCOONS.

Easy
< 1min
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Outcomes

MA4-21SP

represents probabilities of simple and compound events

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