5 DECEMBER 09 www.afterschool.tk 8
Two dices are tossed the
probability that the total score
is a prime number?
Prime numbers are : 1,2,3,5,7,11
totals are : (1,2),(1,1),(1,4),(1,6),(2,1),(2,3),
(2,5),(3,2),(3,4),(4,1),(4,3),(5,2),(5,6),6,1),(6,5)
=15/36 answer