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25 March, 20:21

If the relative frequency of getting a 'blue' on spinner is 0.1, how many reds would you expect to get in 50 spins?

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  1. 25 March, 20:36
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    All the relative frequencies add up to 1. So if relative frequency of getting a blue is 0.1, for red will be 1-0.1=0.9

    0.1 - blue

    0.9 - red

    50 - number of spins

    0.9x50=45

    I hope it's right
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