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Sever21 [200]
1 year ago
5

When we reject the null and the null is true, we have a made a _________ __________.

Mathematics
1 answer:
nydimaria [60]1 year ago
3 0

When we reject the null and the null is true, we have a made a type I error

The null hypothesis in statistics states that there is no difference between groups or no relationship between variables. It is one of two mutually exclusive hypotheses about a population in a hypothesis test.

null hypothesis is denoted as H₀

Reject the null hypothesis when the p-value is less than or equal to your significance level. Your sample data favor the alternative hypothesis, which suggests that the effect exists in the population. When you can reject the null hypothesis, your results are statistically significant.

when the p-value is greater than your significance level, you fail to reject the null hypothesis.

Sometimes , we reject our null hypothesis even when its true

there we made a type I error in hypothesis

To know more about null hypothesis here

brainly.com/question/19263925

#SPJ4

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Solve for x: 7 over 8 minus 1 over x equals 3 over 4.
photoshop1234 [79]
Hi!

Let's write the equation in number form first.

7 over 8
7/8

minus 1
7/8 - 1

over x
7/8 - 1/x

equals 3
7/8 - 1/x = 3

over 4
7/8 - 1/x = 3/4

Now to find the value, let's put each option as the value for x.

A. x = 1
7/8 - 1/1 = 3/4
7/8 - 1 = 3/4
0.875 - 1 = 0.75
-0.125 = 0.75
This is wrong.

B. x = 2
7/8 - 1/2 = 3/4
7/8 - 0.5 = 3/4
0.875 - 0.5 = 0.75
0.375 = 0.75
This is wrong.

C. x = 4
7/8 - 1/4 = 3/4
7/8 - 0.25 = 3/4
0.875 - 0.25 = 0.75
0.625 = 0.75
This is wrong.

D. x = 8
7/8 - 1/8 = 3/4
7/8 - 0.125 = 3/4
0.875 - 0.125 = 0.75
0.75 = 0.75
This is correct!

The answer is d. x = 8

Hope this helps! :)
-Peredhel



8 0
3 years ago
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Answer:

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Step-by-step explanation:

7 0
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15 strips, 1 1/4" wide are to be ripped from a sheet of plywood. If 1/8" is lost with each cut, how much of the plywood sheet is
mestny [16]
9/2”

15 strips means 14 cuts so that’s 14/8” lost
14/8 + 11/4 (or 22/8) = 36/8 = 9/2”
7 0
3 years ago
What is...<br> 18.75÷2.5=<br> show your work.
notka56 [123]

Answer:

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2.5√18.75 -

       18.75

        7.5

2.5√18.75

Step-by-step explanation:

4 0
3 years ago
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laiz [17]
The answer is 15,000 because 75000/5 = 15000.
4 0
4 years ago
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