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Svetllana [295]
1 year ago
6

When conducting a significance test in practice, how should you choose the alpha level?.

Mathematics
1 answer:
iVinArrow [24]1 year ago
6 0

The alpha level should always be set to 0.05.

The supplied statement;

How should you select the alpha() level when doing a significance test in practice,

⇒ Use a higher alpha when the consequences of wrongly rejecting the null hypothesis are more severe. Select alpha () = 0.05 in every situation since it is the best option. Use a smaller alpha when the consequences of wrongly rejecting the null hypothesis are more severe.

To learn more about significance test click here:

brainly.com/question/12972662

#SPJ4

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Find the value of x. (Type an integer or decimal.)
SOVA2 [1]

Answer:

70

Step-by-step explanation:

An angle formed by 2 tangent lines is equal to one half the measure of the major arc minus the measure of the minor arc.

we are given the minor arc ( 110 ) however we are not given the major arc.

Because circles make a 360 degree rotation we can find the major arc by subtracting the measure of the minor arc from 360

Thus, major arc = 360 - 110 = 250

Now that we have identified the major and minor arc we can find x

Recall that x = 1/2 ( major arc - minor arc )

Thus, x = 1/2 ( 250 - 110 )

250 - 110 = 140

140 / 2 = 70

Hence, x = 70

6 0
2 years ago
How to write 168.7 in expanded form
nadya68 [22]

Answer:

100 + 60 + 8 + 0.7

Step-by-step explanation:

Expanded form or expanded notation is a way of writing numbers to see the value of individual digits.

3 0
3 years ago
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HELP PLZ I NEED IT ALSO I HAVE TAKIS
PSYCHO15rus [73]

Answer:

Yes. The girls to boys ration is the same

Step-by-step explanation:

For skating

Girls to boys ratio = 12:14 = 6:7

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Girls to boys ratio = 18:21 = 6:7

6 0
3 years ago
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Please help me due tomorrow
jekas [21]

3) 0.825

4) 0.1212

5) 0.5455

6) -7.177

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b) 0.166

c) 0.333

d) 0.416

8) -2/5

9) -7 (32/100) = -7 (9/25)

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8 0
3 years ago
The desired percentage of SiO2 in a certain type of aluminous cement is 5.5. To test whether the true average percentage is 5.5
Ket [755]

Answer:

since p value < x(0.05) so we reject the null hypothesis

step 5 ( conclusion)

reject the null hypothesis and there is sufficient evidence to support the claim that the true average percentage differs from 5.5.

Step-by-step explanation:

   

check the attachment for detailed explanation

3 0
3 years ago
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