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yanalaym [24]
2 years ago
6

2. The sum of k and 10 is 48

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
7 0

Answer:

k=38

Step-by-step explanation:

38+10=48

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Answer:

Step-by-step explanation:

Given that:

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Sample mean = 7.3

Standard deviation = 1.0

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The alternative hypothesis:

H_a: \mu > 7.1

This test is right-tailed.

degree \ of \  freedom=  n - 1 \\ \\ degree \  of \  freedom  =  24 - 1 \\ \\ degree \ of \  freedom   = 23

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The test statistics can be computed as:

t = \dfrac{ \hat X - \mu_o}{\dfrac{s}{\sqrt{n}}}

t = \dfrac{ 7.3-7.1}{\dfrac{1}{\sqrt{24}}}

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t = 0.980

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