What is spam? How can you avoid getting spam mail? Write any two points
Added by Madison G.
Step 1
These messages can be advertisements, phishing attempts, or even harmful software. To avoid getting spam mail, you can: Show more…
Show all steps
Your feedback will help us improve your experience
Wilfredo Molina and 86 other ACT educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A spam filter is designed by looking at commonly occurring phrases in spam. Suppose that 80% of email is spam. In 10% of the spam emails, the phrase “free money” is used, whereas this phrase is only used in 1% of non-spam emails. A new email has just arrived, which does mention “free money”. What is the probability that it is spam?
Lucas F.
Definitions of e-mail spam, or junk e-mail, typically include the idea that the e-mail is unsolicited and sent in bulk. Beginning in the early 1990 s the amount of email spam grew steadily until recently, with a total volume of over 100 billion e-mails per day in April $2008 .$ The amount being received has begun to decrease due to the use of better filtering software. As unbelievable as it might be, fewer than 200 spammers send about $80 \%$ of all spam. The chart below lists the percentage of e-mail spam relayed by each country in 2007. \begin{array}{lc} \text { Country } & \text { Percentage } \\ \hline \text { Brazil } & 4.1 \\ \text { China } & 8.4 \\ \text { EU } & 17.9 \\ \text { France } & 3.3 \\ \text { Germany } & 4.2 \\ \text { India } & 2.5 \\ \text { Italy } & 2.8 \\ \text { Poland } & 4.8 \\ \text { Russia } & 3.1 \\ \text { S Korea } & 6.5 \\ \text { Turkey } & 2.9 \\ \text { UK } & 2.8 \\ \text { US } & 19.6 \\ \hline \end{array} a. Construct a bar graph of this information with the percentages in declining order. b. Explain why a Pareto diagram of this information cannot be constructed.
Descriptive Analysis and Presentation of Single-Variable Data
Graphs, Pareto Diagrams, and Stemandleaf Displays
Watch the video solution with this free unlock.
EMAIL
PASSWORD