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antoniya [11.8K]
3 years ago
8

-6(-p+8)=-6p+12 Solve

Mathematics
2 answers:
Gennadij [26K]3 years ago
7 0

Answer:

all work is shown and pictured

Fiesta28 [93]3 years ago
3 0
-6(-p+8)=-6p+12

Use distributive property

6p-8=-6p+12

Add 6p to each side

12p-8=12

Add 8 to each side

12p=20

Divide each side by 12

P=20/12 which equals 5/3
Hope this helps!!!
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Step-by-step explanation:

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5. The superintendent of the local school district claims that the children in her district are brighter, on average, than the g
anygoal [31]

Answer:

We conclude that children in district are brighter, on average, than the general population.

Step-by-step explanation:

We are given the following data set:

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Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

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Mean =\displaystyle\frac{1117}{10} = 111.7

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We are given the following in the question:  

Population mean, μ = 106

Sample mean, \bar{x} = 111.7

Sample size, n = 10

Alpha, α = 0.05

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First, we design the null and the alternate hypothesis

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We use one-tailed(right) t test to perform this hypothesis.

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t_{stat} > t_{critical}

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

We conclude that children in district are brighter, on average, than the general population.

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