A) \[\frac{1}{2}\]
B) \[\frac{1}{4}\]
C) \[\frac{3}{4}\]
D) 1
Correct Answer: B
Solution :
[b] Sample outcomes \[=\{HH,HT,TH,TT\}\] |
Total no. of sample outcomes =4 |
Favourable outcomes = Exactly two leads |
\[=\{HH\}\] |
Total no. of favourable outcomes =1 |
\[\therefore \] Required probability \[=\frac{1}{4}\] |
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