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Three coins are tossed simultaneously 10...

Three coins are tossed simultaneously 100 times and the following observations are made. Three heads =216 times two heads =384 times 1 head =270 times no head =130 times If coins are tossed once again find the probability of a)non occurrence of exactly 2 heads b) 3 heads c) no heads

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Three coins are tossed simultaneously 100 xx and the following observations are made.Three heads =216xx two heads =384 xx 1 head =270 xx no heads =130 xx If coins are tossed once again find the probability of a)non occurrence of exactly 2 heads b) 3 heads c) no heads

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