The Pew Social Media Update 2014 surveyed1,597

adult internet users on which social media websites they use. Of the users surveyed,1,134

responded "yes" when asked if they use Facebook.

Identify the values needed to calculatea confidence interval at the95%

confidence level. Then find the confidence interval.

z

0.10

z

0.05

z

0.025

z

0.01

z

0.005

1.282

1.645

1.960

2.326

2.576

Use the table of commonz

-scores above.

Round the values forp

and

p

to three decimal places and use these for subsequent calculations. Then, round the final answers for the confidence intervalto three decimal places as well.

Provide your answer below:

p =

p =

z/2=

(_),(_)