1

Gold Gold

Gold Silver

Silver Silver

Small set of drawersThree drawers, each with two coins

2

Select one drawer at random.

Choose one coin from this drawer.

Examine it.

Suppose that it is gold.

What is the probability that the

other coin from the same drawer

is also gold?

3

Simplify the symbols:

G G

S S

G S

4

G1 G2

S3 S4

G5 S6

5

Distinguish the coins with the subscripts 1, 2, 3, 4, 5, 6.

These numbers will be invisible to the person playing the game.

6

The question is this:

P(G left in drawer | you see G) = ?

7

Enumerate the sample space:

8

9