Spinner probabilities

This task is about identifying how likely spinners are to point to white.

Question

three spinners
 
Each spinner has an arrow.  All three arrows are spun. Which spinner is most likely to point to white?
    • Spinner 1 only

    • Spinner 2 only

    • Spinner 3 only

    • Both Spinner 1 and Spinner 2

    • Both Spinner 1 and Spinner 3

    • They are all just as likely

Explain why you decided on your answer.