Question

suppose you spin two spinners each equally divided into four sectors numbered 1, 2, 3 and 4. which graph shows the probability distribution for the sum of the numbers?

Answer 1

Graph option d

Explanation:

There are 16 possible results:

Spinner 1 Spinner 2 Sum of the numbers

1 1 2

1 2 3

1 3 4

1 4 5

2 1 3

2 2 4

2 3 5

2 4 6

3 1 4

3 2 5

3 3 6

3 4 7

4 1 5

4 2 6

4 3 7

4 4 8

Sum of the numbers: S

P(S=2)=1/16

P(S=3)=2/16

P(S=4)=3/16

P(S=5)=4/16

P(S=6)=3/16

P(S=7)=2/16

P(S=8)=1/16