austinwst3

09.10.2019 • 

Mathematics

Acontractor has two subcontractors for his excavation work. experience shows that in 60% of the time, subcontractor a was available to do the job, whereas subcontractor b was available 80% of the time. (a) what is the probability that both subcontractors will be available to do the job? (b) if the contractor learned that subcontractor a is not available for the job, what is the probability that the other subcontractor will be available? (c) suppose ea denotes the event that subcontractor a is available, and eb denotes that subcontractor b is available. (i) are ea and eb statistically independent? (ii) are ea and eb mutually exclusive? (iii) are ea and eb collectively exhaustive?

Ответ:

skywil8981

19.10.2020

Mathematics

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Hello luv ? where’s the table it’s asking for ?

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