A) \[\frac{3}{4}\]
B) \[\frac{1}{3}\]
C) \[\frac{1}{9}\]
D) \[\frac{1}{6}\]
Correct Answer: A
Solution :
[a] Total possible outcomes are |
\[\{TT,TH,HT,HH\}\]i.e., 4 in number. |
Favourable outcomes for at most one tail i.e., either 1 tail or no tail are \[\{TH,HT,HH\}\] i.e.. 3 in number. |
\[\therefore \] Required probability \[=\frac{3}{4}\] |
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