Question

12. what is the probability for a pair of dice to show a sum of 5 or 10?

Answer 1

a:probability of sum 5 or 10
sum of 5=(1,4) (2,3) (3,2) (4,1)
sum of 10=(4,6) (6,4) (5,5)
or means add
P (a)=4/36+3/36=7/36