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Phantasy [73]
3 years ago
14

4. Explain the meaning of a level of significance of 5%. Why is a level of

Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0

Answer:

5% significance level indicates the level of risk, error or exactness. It guides our conclusion on which hypothesis a data supports

Level of significance defined as the possibility, probability or chances of rejecting a null hypothesis when it's results is valid.

For every statistical hypothesis, the result has propency or likeliness to be exact or not. That is, it has chances of containing a type of error referred to as level of significance.

Now, a 5% significance level implies that, the statistical results or analysis has 95% reliability or confidence level.

In other words, a 5% significance level indicates that a result has 0.05 RISK level.

The level of significance is needed for every hypothetical test because it indicates validity of each hypothesis data. It gives confidence such that one is at peace to know the hypothesis a particular data supports

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lisabon 2012 [21]

Answer:

154.92

Step-by-step explanation:

2014/13=154.92

8 0
3 years ago
Help me with both questions pleaseeeee
12345 [234]

Answer:

Step-by-step explanation: not 100% sure about 5 but i think 5) 3p-2

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3 0
3 years ago
Describe the two-dimensional cross section that would be created by slicing the cylinder-shaped cheese block as shown.
masha68 [24]

Answer: A RECTANGLE ( It has four sides, its opposite sides are congruent and all its angles measure 90 degrees)

Step-by-step explanation:

For this exercise it is important to remember the definition of a "Cross section".

In Geometry a "Cross section" is defined as that shape obtained when a three-dimensional figure is sliced by a plane.

In this case, according to the information given in the exercise, the cheese block has the shape of a cylinder. This is the three-dimensional figure.

Observe in the picture attached in the exercise that the  cylinder-shaped cheese block is cut through perpendicular to its base.

By definition, when this perpendicular cut happens, the shape obtained is  a Quadrilateral which has four  equal  angles that measure 90 degrees and whosepposite sides are parallel have equal length.

Therefore, you can conclude that the two-dimensional cross section that would be created by slicing the cylinder-shaped cheese block perpendicular to its base,is: A RECTANGLE.

3 0
3 years ago
Use the change of base formula to evaluate the logarithms to the nearest thousandth.
Blizzard [7]

Answer:

1.861

Step-by-step explanation:

I just know

6 0
3 years ago
Square root of 49/64 answered as a fraction
pshichka [43]

Answer:

Hey there!

That would be 7/8

Let me know if this helps :)

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