Answer:
His 95% confidence interval is (0.065, 0.155).
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
.
For this problem, we have that:

95% 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:

His 95% confidence interval is (0.065, 0.155).
I think 4,6
I had a test similar I’m not the best at it though hope this helps tho
Answer:
143
Step-by-step explanation:
90-53=37
180-37=143
Answer:
-27
Step-by-step explanation:
-5-9=-14
-14-13=-27
Answer:
any picture or anything?
Step-by-step explanation: