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Sindrei [870]
3 years ago
9

Because of variability in the manufacturing process, the actual yielding point of a sample of mild steel subjected to increasing

stress will usually differ from the theoretical yielding point. Let p denote the true proportion of samples that yield before their theoretical yielding point. If on the basis of a sample it can be concluded that more than 20% of all specimens yield before the theoretical point, the production process will have to be modified.
If 15 of 60 specimens yield before the theoretical point what is the P-value when the appropriate test is used, and what would you advise the company to do?
Mathematics
1 answer:
Alex73 [517]3 years ago
7 0

Answer:

modify tge production

Step-by-step explanation:

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AleksandrR [38]

Answer:

x=8 and y=3 (So, yes!)

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

−x+4y=4;−x+3y=1

Step: Solve −x+4y=4 for x:

−x+4y+−4y=4+−4y(Add -4y to both sides)

−x=−4y+4

-x/-1 = -4y+4/-1 (Divide both sides by -1)

x=4y−4

Step: Substitute 4y−4 for x in −x+3y=1:

−x+3y=1

−(4y−4)+3y=1

−y+4=1(Simplify both sides of the equation)

−y+4+−4=1+−4(Add -4 to both sides)

−y=−3

-y/-1 = -3/-1 (Divide both sides by -1)

y=3

Step: Substitute 3 for y in x=4y−4:

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x=(4)(3)−4

x=8(Simplify both sides of the equation)

<u>Answer:</u>

x=8 and y=3

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1 year ago
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jolli1 [7]

Answer:

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Step-by-step explanation:

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Add 15 to both sides;

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Divide both sides by 0.8;

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Answer:

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Step-by-step explanation:

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Yakvenalex [24]
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