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Get Answers to all your Questions
2. A coin is tossed twice, what is the probability that atleast one tail occurs?
Answers (1)
Sample space when a coin is tossed twice, S = {HH, HT, TH, TT}
[Note: A coin tossed twice is same as two coins tossed at once]
Number of possible outcomes n(S) = 4
Let E be the event of getting at least one tail = {HT, TH, TT}
n(E) = 3
= 0.75
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