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boyakko [2]
2 years ago
7

A paper company produces 4,050 notebooks in 5 days. How many notebooks can it produce in 13 days?

Mathematics
1 answer:
Nadya [2.5K]2 years ago
8 0

Answer:

10530

Step-by-step explanation:

4050 notebooks in 5 days

                                 1 day=810

13 days=10530

please mark as brainliest!!!

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We don't use fact 1 even though it's a true statement. The fact that A+B+C = 180 isn't really useful to compare across two triangles.


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3 years ago
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DENIUS [597]

Answer:

The value of the test statistic is t = -2.09

Step-by-step explanation:

The null hypothesis is:

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The alternate hypotesis is:

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t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation(square roof of the variance) and n is the size of the sample.

In this problem, we have that:

X = 6.5, \mu = 6.6, \sigma = \sqrt{0.64} = 0.8, n = 280

So

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

t = \frac{6.5 - 6.6}{\frac{0.8}{\sqrt{280}}}

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The value of the test statistic is t = -2.09

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