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2Drive to exercise : The two-way table summarizes the responses of 120 people to a survey in which they were asked, 鈥淒o you exercise for at least 30 minutes four or more times per week?鈥� and 鈥淲hat kind of vehicle do you drive?鈥�

Suppose one person from this sample is randomly selected.

a. Find the probability that the person drives an SUV.

b. Find the probability that the person drives a sedan or exercises for at least 30 minutes four or more times per week.

c. Find the probability that the person does not drive a truck, given that she or he exercises for at least 30 minutes four or more times per week.

Mike鈥檚 pizza - You work at Mike鈥檚 pizza shop. You have the following information about the 9 pizzas in the oven: 3 of the 9 have thick crust and 2 of the 3 thick-crust pizzas have mushrooms. Of the remaining 6 pizzas, 4 have mushrooms.

a. Are the events 鈥渢hick-crust pizza鈥� and 鈥減izza with mushrooms鈥� mutually exclusive? Page Number: 356 Justify your answer.

b. Are the events 鈥渢hick-crust pizza鈥� and 鈥減izza with mushrooms鈥� independent? Justify your answer.

c. Suppose you randomly select 2 of the pizzas in the oven. Find the probability that both have mushrooms.