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natita [175]
3 years ago
5

Determine whether the following statement is true or false.

Mathematics
1 answer:
shutvik [7]3 years ago
8 0

Answer:

Step-by-step explanation:

In constructing a confidence interval about the mean, the central limit theorem is usually applied. This makes it possible to use the normal distribution. As the number of samples is increasing, the distribution tends to be normal. This would require using the z distribution. In the case where the sample size is small, we assume a normal distribution and use the t distribution. Therefore, the given statement is true.

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Can someone help me
frosja888 [35]

Answer: D

Step-by-step explanation:

W is the total number of oranges.

W/5 is the oranges being divided equally for 5 friends

8 0
3 years ago
Find the measure of an interior and an exterior angle of a regular 24-gon
Natalija [7]

Answer:

Exterior: 15 degrees     Interior: 165 degrees

Step-by-step explanation:

All shape's exterior angles (total) equal 360 degrees. 360/24=15.

The formula for finding an interior angle is (n-2)*180/n. (24-2)*180/24=165

7 0
4 years ago
Derek is 7 years older than Vivian. In 6 years the sum of their ages will be 75. How old is Derek now?
mylen [45]

Answer:

69 years old ( the answer)

7 0
3 years ago
Write an equation parallel to the line
Schach [20]
The easiest way to find a parallel equation is to write your equation in slope-intercept form. The general equation for slope-intercept form is y = mx + b, where m = the slope of the equation, b = the y intercept, and x and y are your variables.

You're given 5x + 10y = -4. 
1) Move 5x to the right side by subtracting 5x from both sides:
5x + 10y = -4
10y = -5x - 4

2) Divide both sides by 10 to get y by itself on the left. Simplify:
10y = -5x - 4\\
y = - \frac{5}{10} x -  \frac{4}{10} \\
y = - \frac{1}{2}  x -  \frac{2}{5}



<span>Remember that for parallel lines, the slope, m, is the same for both equations. You can make the y-intercept, b, whatever number you want.

When the equation is in slope-intercept form, </span>y = - \frac{1}{2} x - \frac{2}{5}, you can see that m =  - \frac{1}{2}. 

A parallel equation is in the form: 
y = - \frac{1}{2} x + b

Plug in anything you want for b. One example is: y = - \frac{1}{2} x + 3

-------

Answer: y = - \frac{1}{2} x + 3 (just one example)



7 0
3 years ago
Read 2 more answers
The value of ratio 3:4​
Xelga [282]

Answer:

3:4 = 3/4 × 100

= 300/4

= 75

4 0
3 years ago
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