Page 359 - NUMINO_WB_6B

185-P2-1

A Pair of Dice

Dice A and B are rolled at the same time. Find the probability that the number
of pips on dice A is greater than the one on dice B.

Step 1. Write “A” if dice A shows a greater number of pips than dice B. Write “B”
if it shows a smaller number. Write “ ” if both dice show the same
number. Complete the table.

A
B 12 3 4 56

1- A

2B

3

4

5

6

Step 2. Find all the possible outcomes when dice A and B are rolled at the same
time.

Step 3. Find the possible outcomes in which the number of pips on dice A is
greater than that on dice B.

Step 4. Find the probability that the number of pips on dice A is greater than that
on dice B.