Answer:
3/10
Step-by-step explanation:
From the question, we're told that a total of 110 customers were surveyed.
From the given Venn diagram, we can see that the number of customers that had Mushrooms as their favorite pizza toppings are 18 + 3 + 5 + 7 = 33
So to find the probability of customers that had mushrooms, we'll divide the above number of customers that had mushrooms(33) by the total number of surveyed customers ( 110) and simplify as shown below;
