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probability question ? what is probability of getting head first time head second time and head third time? in fair coin.

Mathematics
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These are three INDEPENDENT EVENTS, and to find the probability of these happening together, you must multiply the probability of each.
P(head first time) = 1/2 P(head second time) = 1/2 P(head third time) = 1/2 P(all three) = 1/2 * 1/2 * 1/2
its simply P(head) x P(head) x P(head) or draw a free diagram for the experiment

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Note that what you get on any turn does not depend on what you got on the previous term.
thanks . read the next equation am posting plz

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