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Two coins are tossed simultaneously 500 ...

Two coins are tossed simultaneously 500 times and the outcomes are noted as given below: Outcome:   Two heads (HH)         One head (HT or TH)           No head (TT) Frequency:                     105                275           120 If same pair of coins is tossed at random, find the probability of getting (i)Two heads            (ii) One head (iii)No head

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