Mathematics, 23.02.2021 01:00, putaprincess16

2.8.9 An e-mail filter is planned to separate valid e-mails from spam. The word free occurs in 60% of the spam messages and only 4% of the valid messages. Also, 20% of the messages are spam. Determine the following probabilities: a. The message contains free. b. The message is spam given that it contains free. c. The message is valid given that it does not contain free.

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2.8.9 An e-mail filter is planned to separate valid e-mails from spam. The word free occurs in 60% o...