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21-02-2018
Mathematics

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The experimental probability of a coin landing on heads is 7/12. If the coin landed on tails 30 times, find the number of tosses

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xxaurorabluexx xxaurorabluexx

21-02-2018

Answer: 72 tosses

Explanation: If the probability of landing heads is 7/12, the probability of landing tails is 5/12. So then you do cross multiplication, where you multiply the 12 and the 30, equalling 360. Then divide that by 5, equalling 72.

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