Page 381 - NUMINO_WB_6B
P. 381
186-P1-1
A Pair of Dice
A pair of dice A and B is rolled at the same time. Find the probability that the
sum of the rolled numbers is either 4 or 11.
AB
Step 1. Find all the possible outcomes when a pair of dice A and B is rolled.
Step 2. Find the possible outcomes and complete the table.
A 1 2 3 4 5 6
B
12 3
23
3
4
5
6
Step 3. Find the probability that the sum of the rolled numbers is 4 when a pair of
dice A and B is rolled at the same time.
Step 4. Find the probability that the sum of the rolled numbers is either 4 or 11
when a pair of dice A and B is rolled at the same time.
A Pair of Dice
A pair of dice A and B is rolled at the same time. Find the probability that the
sum of the rolled numbers is either 4 or 11.
AB
Step 1. Find all the possible outcomes when a pair of dice A and B is rolled.
Step 2. Find the possible outcomes and complete the table.
A 1 2 3 4 5 6
B
12 3
23
3
4
5
6
Step 3. Find the probability that the sum of the rolled numbers is 4 when a pair of
dice A and B is rolled at the same time.
Step 4. Find the probability that the sum of the rolled numbers is either 4 or 11
when a pair of dice A and B is rolled at the same time.