Question

Two unbiased dice are rolled simultaneously . what is the probability of getting :

a. a doublet

Answer 1

$\frac{6}{36} = \frac{1}{6}$

Answer 2

doubled terms (1,1) (2,2) (3,3) (4,4) (5,5)(6,6)
doubled = 6
total= 36

dobleed = 6/36 = 1/6