anonymous
  • anonymous
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
Mathematics
chestercat
  • chestercat
See more answers at brainly.com
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this
and thousands of other questions

anonymous
  • anonymous
 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
  • anonymous
1)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
  • anonymous
probability of having a Facebook account=0.36*1+(1-0.36)*0.9 =0.936 The probability of having neither a Facebook account nor a Openstudy account =1-0.936 =0.064

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
|dw:1353407524611:dw|
anonymous
  • anonymous
problem solved

Looking for something else?

Not the answer you are looking for? Search for more explanations.