50% of the email in my inbox is work-related, and 30% of the email is spam. 20% of the email is work-related spam.
Express all of your answers as percentages.
What is the probability that the next email in my inbox is work-related or spam (or work-related spam)? Answer%
What is the probability that the next email in my inbox is neither work-related nor spam? Answer%
What is the probability that the next email in my inbox is work-related, but not spam? Answer%
What is the probability that the next email in my inbox is not spam? Answer%
If I randomly chose a work-related email, what is the probability that it would be spam? Answer%