Mathematics, 11.02.2021 18:10, alyviariggins

A system may become infected by some spyware through the internet or e-mail. Seventy percent of the time the spyware arrives via the internet, thirty percent of the time via e-mail. If it enters via the internet, the system detects it immediately with probability 0.6. If via e-mail, it is detected with probability 0.8. What percentage of times is this spyware detected

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A system may become infected by some spyware through the internet or e-mail. Seventy percent of the...