- 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
Step-by-step explanation:
1 is wrong, because if it says the sum of 5 times the number m and 12 that means its 5(m+12)=27
because its the sum and then 5 times that
2. You got the right answer, its five times x squared plus 2 is 22
Answer:
A kite with a 100 foot-long string is caught in a tree. When the full length of the string is stretched in a straight line to the ground, it touches the ground a distance of 30 feet from the bottom of the tree. Find the measure of the angle between the kite string and the ground.
17°
27°
63°
73°
Step-by-step explanation:
Answer:
B. The domain of the graph is all real numbers less than or equal to 0
Step-by-step explanation:
First, let's find the domain.
(negative infinity, 0} or All real numbers less than or equal to 0
Second, range.
[0, positive infinity) or All real numbers greater than or equal to 0
Right off the bat we can eliminate A, C, and D. We are left with choice B. as the answer.
Answer:
r=20÷7
Step-by-step explanation:
7r=4•5
r=20÷7
r=2.836467473
