Refer to the table below to find the following probabilities.

1. What is the probability of selecting an executive with more than 10 years of service?
2. What is the probability of selecting an executive who would not remain with the company, given that he or she has more than 10 years of service?
3. What is the probability of selecting an executive with more than 10 years of service or one who would not remain with the company?
4. What is the probability of selecting an executive with at least a year and up to at most 10 years of service?

Length of Service

Loyalty

Would remain 10

Would not remain 25

Total 35

1-5 years

35

25

60

6-10 years

5

10

15

More than 10 years

70

20

90

Total

120

80

200