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Svetradugi [14.3K]
3 years ago
15

Please answer this triangle question (see photo)

Mathematics
1 answer:
Juliette [100K]3 years ago
4 0
The picture below is my answer of what I have seen.Thank you.

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a i think

Step-by-step explanation:

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3. Suppose you are testing H0 : µ = 20 vs H1 : µ > 20. The sample is large (n = 71) and the variance, σ 2 , is known. (a) Fin
LUCKY_DIMON [66]

Answer:

We reject the null hypothesis.

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 71

Population variance is known.

Level of significance, α = 0.08

z_{\text{stat}} = 1.56

The null and alternate hypothesis are:

H_{0}: \mu = 20\\H_A: \mu > 20

We use one-tailed z test to perform this hypothesis.

Formula:

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Now, z_{critical} \text{ at 0.08 level of significance } = 1.41

Since,  

z_{stat} > z_{critical}

We fail to accept the null hypothesis and reject it and accept the alternate hypothesis.

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3 years ago
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Step-by-step explanation:

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3 years ago
3m^3<br> ​3<br> ​​ + 4f + 4 + 2f + 2f^2<br> ​2<br> ​​ + 1
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Answer:

33m^33+2f^22+6f+5

Step-by-step explanation:

this is the answer for if you are supposed to be simplifying :)

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I think it's B but I'm not 100% sure


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