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19 March, 17:54

A coin lands on heads 200 times

the relative frequency of heads is 0.4

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  1. 19 March, 21:15
    0
    The number of times coin thrown was 500.

    Step-by-step explanation:

    Relative / frequency=/frac{Number / of / lands / on / heads}{Number / of / times / coin / thrown}

    0.4=/frac{200}{x}

    By cross multiplying we get:

    0.4x=200

    Dividing both sides by 0.4 we get:

    x=500.
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