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bearhunter [10]
2 years ago
12

!!HELP ASAP PLZ!!

Mathematics
2 answers:
Ugo [173]2 years ago
7 0

Answer:

its B

Step-by-step explanation: i took the test

Kobotan [32]2 years ago
3 0

Answer:

8n18

Step-by-step explanation:

Goodluck dude...sorry not sure

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A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation i
velikii [3]

Answer: One tail test.

Step-by-step explanation:

Given : A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3.

Also, The set of hypothesis to conduct a test :-

H_0:\mu\leq10\\\\H_1:\mu>10

The kind of test need to perform is dependent upon the alternative hypothesis.

Since, the alternative hypothesis is one tailed (right-tailed), so the test is one tail test.

5 0
3 years ago
What is 2/9s of 630
maria [59]

Answer: its 18.27  

Step-by-step explanation:

5 0
3 years ago
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If m∠OZQ = 125 and m∠OZP = 62, what is m∠PZQ
const2013 [10]

Answer:

<h2>               63° or  173°</h2>

Step-by-step explanation:

You didn't specify where the point P is so there are two posibilites:

1.

P₁Z is dividing angle OZQ

then:

      m∠P₁ZQ = m∠OZQ - m∠OZP₁ = 125° - 62° = 63°

2.

P₂Z is outside angle OZQ

then

    m∠P₂ZQ = 360° - (m∠OZQ + m∠OZP₂) = 360° - (125° + 62°) = 173°

5 0
3 years ago
An independent research firm conducted a study of 100 randomly selected children who were participating in a program advertised
kap26 [50]

Answer:

b) use a two-sided test instead of a one sided test.

Step-by-step explanation:

If we are using a significance level of 0.05, then the two-tailed test assigns half alpha to test for statistical significance in one direction and half alpha to test statistical significance in the other direction. This implies that .025 is present in each tail of the test statistical distribution. When using the two-tailed test, regardless of the direction of the relationship you assume, we test the possibility of the relationship in both directions.

7 0
3 years ago
What is the value of x?<br> 11 (9 - 2x) = -(12x + 11)
fenix001 [56]
The value of x = 11.


Explanation: 99-22x=- 12x - 11


Collect like terms: -22x + 12x = -11 - 99



Divide both sides: -10x = -110 by -10
3 0
3 years ago
Read 2 more answers
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