The table below shows how many juniors and seniors at a small high school have a driver's license.Use this table to answer the following questions.

Juniors

Seniors

Total

Have Driver's License

60

55

115

Do Not Have License

20

15

35

Total

80

70

150

a) What is the probability that a randomly selected student is a junior?

Give your answer as a decimal rounded to the nearest thousandth.

b) What is the P(Senior or Do not Have a License)?

Give your answer as a decimal rounded to the nearest hundredth.

c) What is the P(Junior or Have a Driver's License)?

Give your answer as a decimal rounded to the nearest hundredth.

d)True or False:The events "a student who is a junior" and "a student who is a senior" are mutually exclusive.