Chapter 16 Statistical Tests
Spam Is Annoying. Junk Email Takes Time to Delete, and You Sometimes Mistakenly Throw Out Messages You Want Along with the Junk.
Beyond annoyance, spam costs businesses billions of dollars in lost productivity. Studies show that 40% or more of email is spam, and other reports claim that nearly 95% of all email is spam.1
To hold back the flood, companies buy software that ...
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