Answer:
1/27
Explanation:
Probability of DeeDee choosing Yogurt in diary = 1/3
Probability of DeeDee choosing pineapple as fruit = 1/3
Probability of DeeDee choosing cherries as toppings = 1/3
So the Probability of DeeDee's shake being made with yogurt pineapple and cherries = 1/3×1/3×1/3 = 1/27