if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?

if you roll a pair of dice, what is the probability that (at least) on

1.	if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
A.	4/36
B.	13/36
C.	21/36
D.	15/36
Answer» E.