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2 April, 17:32

A set of cards contains the numbers 1 through 20. Mathieu chooses a card a random, records the number of the card, and then returns the card to the set. He conducts 200 trials of this event. Based on the theoretical probability, how many times can Mathieu expect to choose a multiple of 5?

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  1. 2 April, 19:27
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    Chance of multiple of 5 is 4 / 20 or 1 / 5.

    This means that the answer is 200 / 5

    Answer = 40
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