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21 July, 07:53

Shyla used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the tables below:

16 blue

20 green

14 yellow

heads 18

tails 32

Using Shyla's simulation, what is the probability of pulling a blue marble and the coin landing tails up?

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  1. 21 July, 08:22
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    P (selecting a blue marble) = 16/50 = 8/25

    P (getting a tail) = 32/50 = 16/25

    The 2 events are independent so you multiply the probabilities:-

    Required probability = 8/25 * 16/25 = 108/625
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