Question
If a coin is tossed 10 times then what is the
probability of getting three heads?Solution
Total sample spaces = 2Ā¹ā° Total favourable events N(P) = Ā¹ā°CāĀ Probability (E) = (N(P))/(N(S)) = (Ā¹ā°Cā )/(2Ā¹ā°) = (Ā¹ā°Cā )/(2^5.Ā 2āµ) = ((10Ā ĆĀ 12 )/(3Ā ĆĀ 2))/(32Ā ĆĀ 32) = (10Ā ĆĀ 12)/(32 ĆĀ 32) = 15/128
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