The event of scoring an even number of heads in three successive tosses of a coin
shreya207:
3/8
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Sample space
{HHH,HHT,HTH,THH,HTT,THT,TTH,TTT}
n(S) = 8
Event : scoring an even number of heads
{HHT,HTH,THH}
n(E) = 3
Probability
P(E) = n(E)/n(S) = 3/8
{HHH,HHT,HTH,THH,HTT,THT,TTH,TTT}
n(S) = 8
Event : scoring an even number of heads
{HHT,HTH,THH}
n(E) = 3
Probability
P(E) = n(E)/n(S) = 3/8
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