Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
Number of colors that the arrow can land on = 8
We need to find the degrees of freedom for a goodness of fit test of the fairness of this spinner.
As we know that degree of freedom is 1 less than the size of sample.
So, Mathematically, it is expressed as below:
So, Degree of freedom would be

Hence, Option 'c' is correct.
Answer:
The correct answer is A)
PRISM.
Explanation:
Any 2-dimensional shape formed with straight lines is a polygon. Examples of polygons are:
- Quadrilaterals
- Hexagons
- Pentagons, and
- Triangles are all examples of polygons. The name of polygons are usually indicative of the number of sides they have.
Cheers!
7/8*8/9 = (7*8)/(8*9)
Since we have an 8 both above and below, we can erase it, and so the answer is 7/9