MATH SMARTIES (PLZ ANSWERE IF YOU KNOW WHAT A TREE DIAGRAM IS)I NEED HELP CAN YOU TELL ME IF MY ANSWER IS CORRECT AND IF NOT CORRECT COULD YOU PLZ TELL ME THE CORRECT ANSWERE

Answer:
C
Step-by-step explanation:
1/2 * 1/2 * 1/2 = 1/6
Hope this helps