Answer:
Step-by-step explanation:
cheese With toppings Total
No of pizzas sold 24 16 40
Eaten at work 12 10 22
Not eaten at work 12 6 18
a) Prob for a cheese pizza eaten at work=
b) Prob a pizza with either one or more toppings, and it was not eaten at work.=
c) Prob for a cheese pizza, or it was a pizza eaten at work.=P(cheese)+P(pizza eaten at work)-P(both)
=