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Can you please help with these probability / stats problems? Thank you! SL Math Review: Probability/Statistics Practice Paper 1 1. A bag contains eight marbles.

Can you please help with these probability / stats problems? Thank you!

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SL Math Review: Probability/Statistics Practice Paper 1 1. A bag contains eight marbles. Three marbles are red and five are blue. Two marbles are drawn from the bag without replacement. (a) Write down the probability that the first marble drawn is red. [1] (b) Complete the following tree diagram. [3] First Marble Second Marble Red Red Blue Red Blue Blue (c) Find the probability that both marbles are blue. [2]

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