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mina [271]
2 years ago
6

The competitive advantage of small American factories such as Tolerance Contract Manufacturing lies in their ability to produce

parts with highly narrow requirements, or tolerances, that are typical in the aerospace industry. Consider a product with specifications that call for a maximum variance in the lengths of the parts of 0.0008. Suppose the sample variance for 30 parts turns out to be s2 = 0.0009.
Required:
Use α = 0.05 to test whether the population variance specification is being violated. State the null and alternative hypotheses.
Mathematics
1 answer:
Tom [10]2 years ago
5 0

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Please find the complete question in the attached file.

H_0: \sigma^{2} \leq 0.0008\\\\H_a:  \sigma^{2} > 0.0008

The testing states value is:

\to x^2=\frac{(n-1)s^2}{\sigma^2}=32.6250

therefor the \rho - \ value = 0.2931

Through out the above equation its values Doesn't rejects the H_0 value, and its  sample value doesn't support the claim that although the configuration of its dependent variable has been infringed.

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The changed digit is the third to the left of the decimal point, so is in the hundreds place.

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3 years ago
Write an equivalent expression using the distributive property: 7(2+4).
asambeis [7]

Answer:

Step-by-step explanation:

(7+4) any expression 2

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If x to the 2nd power equal 60, What is the value of x
Sedaia [141]

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7.745

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3 years ago
The Earth has a diameter
mrs_skeptik [129]

Answer:

<em>L = 24,873.6 miles</em>

Step-by-step explanation:

<u>Length of the Circumference</u>

Given a circle of radius r, the length of the circumference, or line surrounding the shape is:

L =2\pi\cdot r

The Earth has a diameter of 7,917.5 miles. The radius is half the diameter:

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4 0
2 years ago
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Andreas93 [3]

Answer:

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and 34-4=30

divide 8 by 2 and you'll get 4

so, 34-4=30

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