ANSWER
The sample space is 16
EXPLANATION
The number of sample space in an event is given by
where n is the number of times we spin the spinner.
Since the spinner has 4 equal sections that is why we write 4 as the base.
Hence the number of sample space is
![4^(2)=16](https://img.qammunity.org/2019/formulas/mathematics/high-school/2uqgpu2lrvtbtk0ngvjsfzzm6lcaf3ovwo.png)
The correct answer is option D