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astra-53 [7]
3 years ago
13

Help please I really need answers fast

Mathematics
1 answer:
Dima020 [189]3 years ago
8 0
1st: $6.44

2nd: 6.33 KM

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Consider the following set of sample data: (34, 32, 34, 32, 40, 37, 31, 31, 29, 27). We're interested in using this data to test
rosijanka [135]

Answer:

Option I and II

Step-by-step explanation:

I. Assuming this represents a random sample from the population, the sample mean is an unbiased estimator of the population mean.

II. Because they're robust, t procedures are justified in this case.

The t procedures are utilized because they are used as a hypothesis testing tool, which allows for testing of an hypothesis applicable to a population where in this case we are testing the null hypothesis about the population mean.

7 0
3 years ago
Vehicle insurance would be most useful to a person who:
Klio2033 [76]

Answer:

A

Step-by-step explanation:

Its A the other ones don't make sense

4 0
2 years ago
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To complete one round of a jogging track, Samantha took 1.52 minutes. Which expression below represents the time taken by Samant
Inessa05 [86]
B i think because the .50+.2 make the .52 part
4 0
3 years ago
The point (-7, 4) is reflected over the line x= -3. Then, the result point is reflected over the line y = x. Where is the point
Tema [17]

Answer: D. (4, 1)

Step-by-step explanation:

When we have a reflection over a line, the perpendicular distance to that line is invariant.

Then, if we have the point

(-7, 4) and we have a reflection over the line x = -3

The distance between the x component and the line is:

I -7 - (-3)I = 4

Then the reflected point will also be at a distance of 4 units to the line x = 3, and this is at the point x = 1.

Then the new point is (1, 4)

Now we do a reflection over the line x = y.

This type of reflection just changes the x-component by the y-component, and the y-component by the x-component.

Then the new point will be (4, 1)

Then the correct option is D.

6 0
2 years ago
Evaluate 3x+y<br> If x = -4 and y = 2
Dafna1 [17]

Answer:

-10

Step-by-step explanation:

3x + y

= 3(-4) + 2

= -12 + 2

= -10

3 0
3 years ago
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