自 Math Practices and Problem Solving
School Mascot Votes
For topic 3 lesson 3-2 use the graph at the right.

12. The students voted on a school mascot.
Which mascot had as many votes as 4 times
the number of votes for the unicorn?
120
100
Dragon
Number of Votes
80
60
13. Explain how you could estimate the
number of students who voted on a
school mascot. Then give your estimate.
39 unicorn
22 Owl
44 Bear
78 Lion
159 Dragon
Mascot

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Which aspect of electronic commerce does the ftc regulate? a. encryption and transfer of data b. disposing of credit reports c. network security d. antivirus software updates