The results of a survey indicate that between 76% and 84% of the season ticket holders are satisfied with their seat locations.What is the survey’s margin of error?

Answers

Answer 1

Answer:

The margin of error is a statistic that expresses how much random sampling error there is in a survey's results. The margin of error of the survey will be ±4%.

What is the margin of error?

The margin of error is a statistic that expresses how much random sampling error there is in a survey's results. The wider the margin of error, the less confident one should be that a poll result reflects the outcome of a population-wide survey.

The results of a survey indicate that between 76% and 84% of the season ticket holders are satisfied with their seat locations. Therefore, the margin of error can be written as,

Margin of Error = (84%-76%)/2 = 8%/2 = ±4%

Hence, the margin of error of the survey will be ±4%.

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Answer 2

Answer:

Answer:

±4

Step-by-step explanation:

The margin of error in a confidence interval is half the range:

(84 - 76) / 2 = 4

So the margin of error is ±4.

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The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1).

Answers

y = 3x - 3....slope here is 3. A perpendicular line will contain a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -1/3.

y = mx + b
slope(m) = -1/3
(3,1)....x = 1 and y = 3
now we sub
3 = -1/3(1) + b
3 = -1/3 + b
3 + 1/3 = b
9/3 + 1/3 = b
10/3 = b

so ur perpendicular line is : y = -1/3x + 10/3

2x + 7 = x + 3 what is X ?

Answers

2x + 7 = x + 3

First, subtract x from both sides. / Your problem should look like: $2x + 7 - x = 3$
Second, simplify 2x + 7 - x to x + 7. / Your problem should look like: $x + 7 = 3$
Third, subtract 7 from both sides. / Your problem should look like: $x = 3 - 7$
Fourth, subtract 3 - 7 to get -4. / Your problem should look like: $x = -4$

Answer: x = -4

x = -4

2x+7 = x+3
- x -x
_________
1x+7 = 3
-7 -7
_________
x = -4

Equation of the line passing through the points 4,11 and -1,-14