You work at Rob’s pizza shop. You have the following informationabout the 7 pizza’s in the oven: 3 of the 7 have thick crust, and ofthese 1 has only sausage and 2 have only mushrooms; the remaining 4pizzas have regular crust, and of these 2 have only sausage and 2 haveonly mushrooms. Choose a pizza at random from the oven.(a) Are the events{getting a thick crust pizza}and{getting a pizza with mushrooms}independent? Justify your answer with a computation.