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3.(4 pts) A newly developed software is used to detect potential threats in two differentsystems. The...

3.(4 pts) A newly developed software is used to detect potential threats in two differentsystems. The software is able to detect threats with probability 0.6 in the first system.Independently of it, threats in the second system is detected with probability 0.5.

a.Compute the probability mass function (pmf) of ​X​, the number of systems in which their threats were detected.

b.Draw a graph of its cumulative distribution function (cdf).

Math   Statistics-And-Probability   
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