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Elis [28]
2 years ago
11

A metal manufacturing company reduces the length of a 12.5-inch cylindrical rod, after which the rod measures 7.8 inches. How ma

ny inches was the rod shortened by?​
Mathematics
2 answers:
gizmo_the_mogwai [7]2 years ago
7 0

Answer:

4.7 inches

Step-by-step explanation:

The original is 12.5, and it was shortened to 7.8. So take the original, subtract the result, and you will get the answer.

12.5-7.8=4.7

artcher [175]2 years ago
7 0

Answer:

4.7 inches hope it helped

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a) Null and alternative hypothesis:

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Then, the alternative or spectulative hypothesis will state this claim: that the population proportion is significantly bigger than 10%.

On the contrary, the null hypothesis will state that this proportion is not significantly higher than 10%.

This can be written as:

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