1.

Three unbiased coin are tossed. What is the probability of getting all heads?1). 5/92). 3/83). 1/84). 2/9

Answer»

All the possible outcomes are HHH, HHT, HTH, THH, TTT, TTH, THT and HTT

Total possible outcomes = 8

Number of times all head OBTAINED = 1

∴ Probability of GETTING all head = 1/8


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