Answer: 3,420
Step-by-step explanation:
Answer:
Not 100% sure but i think its A
Step-by-step explanation:
The equation given is in slope-intercept form. This is the form y = mx + b, where m is the slope and b is the y-intercept. In this case, the slope is -4 and the y-intercept is 2. The answer is A.
- The margin of error of the proportion given is of 2.9%.
- Applying the margin of error, the confidence interval is (29.1%, 34.9%).
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The margin of error of a confidence interval of a proportion
in a sample of size n, with a confidence level of
, is:

In which z is the z-score that has a p-value of
.
The confidence interval is:

In this problem:
- Poll of 1012 people, thus
. - 32% keep a dog, thus

95% confidence level
Thus
, z is the z-score that has a p-value of
, so
.
The margin of error is:

As a percent, 2.9%, as 0.029 x 100% = 2.9%.
Now for the confidence interval, which is <u>percentage plus/minus margin of error</u>, thus:


The confidence interval is (29.1%, 34.9%).
A similar problem is given at brainly.com/question/16807970
Answer:
The answer is C.
Step-by-step explanation:
2x+1+x+4
3x+5