Answer:
The 98% confidence interval estimate of the proportion of adults who use social media is (0.56, 0.6034).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
Of the 2809 people who responded to survey, 1634 stated that they currently use social media.
This means that 
98% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:

The upper limit of this interval is:

The 98% confidence interval estimate of the proportion of adults who use social media is (0.56, 0.6034).
Answer:
-7.045 is greater
Step-by-step explanation:
Because -7.045 is closer to 0
Answer:
pretty sure its a
Step-by-step explanation:
I do not have a explanation sorry bro
Answer:
option 2, 3, and 5
Step-by-step explanation:
Any equation that has an exponent would not be linear
Answer:
82.5 kilometers
Step-by-step explanation:
15×5.5= 82.5 kilometers