A coin is tossed twice. What is the probability that at least one head occurs
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total answers (1)
total answers (1)
Statistics
The sample space for this experiment is:
need an explanation for this answer? contact us directly to get an explanation for this answern(S)=(2)^2=4
S={HH,HT,TH,TT}
If A is the event of at least one head occurring, then
A={HH,HT,TH} , n(A)=3
Then
P(A)=(n(A))/(n(S))=3/4