0.125 1. p(4 on 8 side die)



0.56 2. p(odd 0n 9 side die)



0 3. BB x bb p(bb)?



0.5 4. Bb x bb p(bb)?



Social media sites mTUV (Freq) Relative Frequency


Blogger (blog) 222 0.23 0.2308

Facebook (social) 200 0.21 0.2079

MySpace (social) 126 0.13 0.1310

Wordpress (blog) 114 0.12 0.1185

Windows Live Spaces 87 0.09 0.0904

Twitter (sms) 72 0.07 0.0748

Hi5 (social) 58 0.06 0.0603

Friendster (social) 37 0.04 0.0385

Bebo (social) 24 0.02 0.0249

Tagged (social) 22 0.02 0.0229

Sums: 962 1


0.21 6. Probability that a user is a FaceBook user?



0.13 7. Probability that a user is a Myspace user?



Blogger (blog) 8. By probability, which site is the most popular?



0.98 9. Probability that a user is NOT a Bebo user?



Social media Freq
Social media Users % of Ss
MySpace 33
MySpace 33 62%
Bebo 24
Bebo 24 45%
Tagged 19
Tagged 19 36%
Yahoo 18
Yahoo 18 34%
MSN/Hotmail 9
FaceBook 7 13%
Hi5 8

53
FaceBook 7 Average # of sites Freq
MyCoconut 6 2.94 sites 0 5
Meebo 5 Perc > 0 1 13
Flixster 3 91% 2 7
Zorpia 3
3 8
Friendster 2
4 11
Kaselehlie.com 2
5 6
Villagehub 2
12 3
Bluevonda 1

53
Coolindian 1 Mail.com 1 Perfspot 1
eBuddy 1 Micsem 1 Skype 1
Fastweb 1 MyYearBook 1 W Live Spaces 1
Gmail 1 Neebo 1 Youtube 1
iLike 1 Overspot 1 Blog/Twitter 0