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Suppose that a system requires 2 parts in order to work. Based on past similar systems,...

Suppose that a system requires 2 parts in order to work. Based on past similar systems, you assume that after 1 year the probability the first part will still be working is .75, .50 for the second part, and .85 that at least one of the parts will still be working. What is the probability that you would estimate that the system still works after 1 year?

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Given that:

Suppose that a system requires 2 parts in order to work. Based on past similar systems, you assume that after 1 year the probability the first part will still be working is 0.75, 0.50 for the second part, and 0.85 that at least one of the parts will still be working

A=1st part is still working

B=2nd part is still working

To find ,since both A and B has to happen for the system to work

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