1/2

1/3

1/4

Never, Tails never fails.

1/3

1/4

3/7

1/8

3/7

15/35

1/2

5/7

 event

dependent events

experiment

compound event

1 ⁄ 16

1 ⁄ 2

1 ⁄ 4

1 ⁄ 8

$$\frac{3}{7}\times\frac{3}{7}$$  

$$\frac{4}{7}\times\frac{4}{7}$$  

$$\frac{4}{7}\times\frac{3}{6}$$  

$$\frac{4}{7}\times\frac{3}{7}$$  

$$\frac{1}{6}+\frac{1}{6}$$

$$\frac{1}{6}\times\frac{1}{6}$$

$$\frac{1}{6}\times\frac{2}{6}$$

$$\frac{1}{3}\times\frac{1}{3}$$

1 ⁄ 16

1 ⁄ 2

1 ⁄ 4

1 ⁄ 8

Multiply your probabilities

Add your probabilities

Divide your probabilities

Subtract your probabilities

 event

dependent events

experiment

compound event

Multiply your probabilities

Add your probabilities

Divide your probabilities

Subtract your probabilities

No change

More likely

Less likely

Impossible

$$\frac{3}{7}\times\frac{3}{7}$$  

$$\frac{4}{7}\times\frac{4}{7}$$  

$$\frac{4}{7}\times\frac{3}{6}$$  

$$\frac{4}{7}\times\frac{3}{7}$$  

$$\frac{1}{6}+\frac{1}{6}$$

$$\frac{1}{6}\times\frac{1}{6}$$

$$\frac{1}{6}\times\frac{2}{6}$$

$$\frac{1}{3}\times\frac{1}{3}$$

1/12

1/4

1/8

1/2