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NemiM [27]
2 years ago
12

For a one-sample test for a population proportion p and sample size n, why is it necessary that np0 and n(1−p0) are both at leas

t 10 ?.
Mathematics
1 answer:
tino4ka555 [31]2 years ago
6 0

Using the Central Limit Theorem, it is found that these conditions are required to avoid the high variability associated with small samples.

<h3>What does the Central Limit Theorem states?</h3>

It states that for a <u>proportion p in a sample of size n</u>, the sampling distribution of sample proportion is approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1 - p)}{n}}, as long as np \geq 10 and n(1 - p) \geq 10.

From the equation of the standard error, we could see that if one of the conditions is not respected, the standard error would be very high, indicating a low accuracy of the estimate, hence it is found that these conditions are required to avoid the high variability associated with small samples.

More can be learned about the Central Limit Theorem at brainly.com/question/24663213

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katrin [286]

\boxed{d-4

<h2>Explanation:</h2>

Hello! Recall you need to write complete questions in order to find exact answers. So in this problem I'll assume the question is:

<em>A number d minus 4 is less than -1</em>

<em />

So it is easy to know that we need to write an inequality here because of the words "less than", which implies that we must use the symbol <. So let's solve this step by step.

Step 1. A number d minus 4.

This statement includes the word "minus", so we need to use the symbol (-). Therefore:

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Step 2. A number d minus 4 is less than

As we said above, here we need to use the symbol (<). So:

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Step 3. A number d minus 4 is less than -1

Finally, we get:

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<h2>Learn more:</h2>

Inequalities: brainly.com/question/9611462

#LearnWithBrainly

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