Question

A coin is tossed two times. Find the probability of getting head in everytime.

Answer 1

When a coin is tossed twice , then Total possible outcome is = (2)2=4(2)2=4,

and sample space , S ={H,T} ,{T,H},{H,H} = 3.

therefore, probability (P) of getting a least one head = 34=0.7534=0.75

That's it.

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Answer 2

Answer:

Total event = 4

favourable event = [(H,H)] = 1

So probability = favourable event/total event

P(A) = 1/4