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Igoryamba
3 years ago
6

Find the missing values for multiplication equation 7/8

Mathematics
1 answer:
Elza [17]3 years ago
5 0
Simple (Cross multiplication ) 

7        x
_        _                      = 700/8 = 87.5  (100-87.5 = 12.5 is the missing value.

8        100 
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In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are good (G). A quality control
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Answer:

The sample space for selecting the group to test contains <u>2,300</u> elementary events.

Step-by-step explanation:

There are a total of <em>N</em> = 25 aluminum castings.

Of these 25 aluminum castings, <em>n</em>₁ = 4 castings are defective (D) and <em>n</em>₂ = 21 are good (G).

It is provided that a quality control inspector randomly selects three of the twenty-five castings without replacement to test.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

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Compute the number of samples that are possible as follows:

{25\choose 3}=\frac{25!}{3!\times (25-3)!}

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The sample space for selecting the group to test contains <u>2,300</u> elementary events.

6 0
3 years ago
In Oo, mCA= 100 and ABCD.<br> What is mBD?<br> mBD
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3 years ago
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