1. In the push system, the work is released into the system

a. without regard to system status

b. with regard to system status

c. at a constant rate

d. on a scheduled basis

2. the probability of event a is 50%. the probability of event b is 10%. what is the probability of either event occurring?

a. 5% b. 55% c. 60% d. 40%

3. the system has 2 parallel process, one has an availability of 60% and the other one has an availability of 30%. What is the failure probability of this system?

a. 18%%

b. 28%

c. 72%

d. 82%