A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
A survey was undertaken at Aphane High School to determine the proportion of learners that had Facebook and Openstudy accounts. A random sample showed the following
anonymous
 4 years ago
A survey was undertaken at Aphane High School to determine the proportion of learners that had Facebook and Openstudy accounts. A random sample showed the following

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0 If a learner had a OS account then they also had a Facebook account. If a learner didn't have a OS account, then there was a 90% chance they had a Facebook account. The probability that they had a OS account was 0,36

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01)Draw a Venn diagram depicting the information given above. 2)Calculate a)The probability of having a Facebook account. b) The probability of having neither a Facebook account nor a Openstudy account

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0probability of having a Facebook account=0.36*1+(10.36)*0.9 =0.936 The probability of having neither a Facebook account nor a Openstudy account =10.936 =0.064

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1353407524611:dw
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.