Question

A recent poll of 960 Facebook users posed the following question: “Thinking just about your Facebook profile, how many friends do you currently have in your network?” The pie chart below represents their responses. The margin of error is 3.2% 10. What is the population represented here? 11. What is the sample? 12. Calculate the confidence interval for those who have 101-250 friends. 13. Interpret the confidence interval for this poll in a meaningful sentence for those who have 101 – 250 friends. Remember to include the margin of error provided is 95% certain. 14. Calculate the confidence interval for those who have 1 – 100 friends. 15. Interpret the confidence interval for this poll in a meaningful sentence for those who have 1 – 100 friends. Remember to include the margin of error provided is 95% certain.

Don't know 2% Refused to No friends 196 answerf 1% More than 500 friends 15% 1-100 friends 38% 251-500 friends 20% 101-250 friends 23%

Answer 1

ouion lo〉 Population hese u all the fo(e boo kasess ulaton hese i О. 23-0,0 3.2. on psopostlon. Pcople lth o18 o. 262 e6etosfe 26,

. 34 12 Thim<an) arse as conHdert population Hence