Solved: Messages that arrive at a service center for an information systems manufacturer
Chapter 3, Problem 3-120(choose chapter or problem)
Messages that arrive at a service center for an information systems manufacturer have been classified on the basis of the number of keywords (used to help route messages) andthe type of message, either email or voice. Also, 70% of themessages arrive via email and the rest are voice.number of keywords 01234email 0.1 0.1 0.2 0.4 0.2voice 0.3 0.4 0.2 0.1 0 Determine the probability mass function of the number ofkeywords in a message.
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