three coins are tossed simultaneously 400 times amd following frequencies of the outcomes were
are toned bimistamaously 40 m
times and following frequencies of this the
outcomes were recorded
3 heads =103 , 2 heads =124 ,1 heads =98 , No heads =X
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the answer is 75
103+124+98+x=400
325+x=400
x=400-325
x=75
no heads=x=75
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