817 Math Blog

2 = 1+1
3 = 2+1 , 1+2
4 = 2+2 , 3+1 , 1+3
5 = 3+2 2+3 4+1 1+4
6 = 3+3 5+1 1+5 2+4 4+2
7 = 4+3 3+4 6+1 1+6 5+2 2+5
8 = 7+1 1+7 5+3 3+5 2+6 6+2 4+4
9 = 5+4 4+5 6+3 3+6 7+2 2+7 8+1 1+8
10 = 5+5 9+1 8+2 2+8 6+4 4+6 7+3 3+7
11 = 5+6 6+5 7+4 4+7 10+1 11+10 8+3 3+8 2+9 9+2




HEADS. Tails
- A -A
- B -B = Probability tree
- C -C


dice 6 spinner coin spinner

Is it a fair game?
IT is not fair because there is only a 3 / 12
chance that you will get a 7.


HEADS. Tails
- A -A
- B -B
- C -C


1
-a
-b
-c
-d

2
-a
-b
-c
-d


3
-a
-b
-c
-d

4
-a
-b
-c
-d

5
-a
-b
-c
-d

6
-a
-b
-c
-d

TPO
: 24
+8
________
TPO : all