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Ber [7]
3 years ago
9

The numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard

deviation is 30 pages, what can you conclude?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0

Answer:

Step-by-step explanation:

For the answer to the question above, the numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard deviation is 30 pages, you can conclude that about 16% of the books have fewer than 150 pages. I hope this helps

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Answer:

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Step-by-step explanation:

2x + 5y - z + (-6x - 4y + 7z) < distribute positive 1 to (-6x - 4y + 7z)

2x + 5y - z - 6x - 4y + 7z < combine like terms to get the answer

2x - 6x = -4x

5y - 4y = y

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our new expression is:

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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

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Hence, there are 30 participants are needed for the entire study.

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