3 years ago

HELP WILL GIVE BRAINLIEST

Mathematics

1 answer:

QveST [7]3 years ago

7 0

Answer:

(-8,1)

Step-by-step explanation:

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ehidna [41]

Answer:

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Step-by-step explanation:

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3 years ago

2.789 in expanded form

FromTheMoon [43]

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3 years ago

What is the greatest common factors of 12 and 27

aalyn [17]

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3 years ago

Lasers can provide highly accurate measurements of small movements. To determine the accuracy of such a laser, it was used to ta

sp2606 [1]

Answer: $p-value \approx 0.01$

Step-by-step explanation:

Hypothesis testing

$\\\left\{\begin{matrix}H_0 : \mu_0 =0\\ H_1: \mu_0 \neq 0\end{matrix}\right.\\$

For this problem, we need to use the t-student distribution to make inference about the data. We calculate the t-statistics as below:

$\bar{X} = 20\:\mu m\\S.E. = 60\:\mu m\\n=82\\t_{stat} = \frac{\bar{X}-\mu_0}{S.E/\sqrt{n}}=\frac{20-0}{60/\sqrt{82}}=3.0185$

Using a t-statistics table, or using the function TDIST in Microsoft Excel with $t_{stat} = 3.0185,\: df (degree\: of\: freedom) = 14 - 1 = 13$ with two-tailed distribution, we obtain $p-value \approx 0.01$ .

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3 years ago

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emmainna [20.7K]

Answer:

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Step-by-step explanation:

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3 years ago

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