Question
Two different dice are thrown at the same time. Find the probability of getting :
(i) a doublet
(i) a doublet
✓
Answer
Total number of outcomes when two dice are rolled $=36$
A doublet
favorable outcomes are: $(1,1),(2,2),(3,3),(4,4),(5,5),(6,6)$
Number of favorable outcomes $=6$
$
P(\text { A doublet })=\frac{\text { Number of favourable outcomes }}{\text { Total number of outcomes }}=\frac{6}{36}=\frac{1}{6}
$
A doublet
favorable outcomes are: $(1,1),(2,2),(3,3),(4,4),(5,5),(6,6)$
Number of favorable outcomes $=6$
$
P(\text { A doublet })=\frac{\text { Number of favourable outcomes }}{\text { Total number of outcomes }}=\frac{6}{36}=\frac{1}{6}
$
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