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NISA [10]
3 years ago
15

What is a scenario for y=2x

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0
One scenario is:
Alice works at a bookstore and for every book she sells, she makes two dollars. X represent the number of books an y represents the total she makes
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If 15=x+20 then x=-5
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Edith is balancing her lawn care business’ check registry. Her initial balance was $5,850.25. She deposited a check for $45.00 a
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A. 5900.60

$5850.25+45.00+55.50-32.65-17.50
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Express the following rate as a unit rate. If necessary, round your answer to the nearest tenth. You would enter an answer like
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Significance test to see if this holds true in her nation. She takes a random sample of babies and observes a mean birthweight o
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Answer:

Option D is correct.

H₀: The mean birth weight in this nation is equal to 3.5 kg

Step-by-step explanation:

In Hypothesis testing, involving testing two data set, the null hypothesis is the one always playing Devil's advocate and saying that there isn't any 'significant' difference between the two datasets being compared.

It usually has the signs =, ≤ and ≥, indicating truly that there isn't a significant difference between a true value and one obtained from a set of sample. It is always preaching that the value obtained from the sample is basically not different from the true value.

So, for this question, the true value is the widely known, European average birthweight (3.50 kg). A value obtained from a simple random sample, is then tested to see how different or similar it is is to the true, widely known average birth weight.

The obtained sample mean, μ₀ is then stated to not be significantly different from the widely known average birth weight. This is the null hypothesis.

H₀: μ₀ = 3.5 kg

This is what is now tested statistically, if the p-value exceeds the significance level, we do not reject the null hypothesis and we conclude that there isn't truly a significant difference in the sample mean obtained and the population mean of 3.5 kg.

When the p-value is lesser than the significance level, we promptly reject the the null hypothesis. This is where the alternative hypothesis, which is basically saying the direct opposite of what the null hypothesis is saying, comes in.

The alternative hypothesis has inequality signs such as ≠, < and >, to indicate that there is indeed a significant difference between the two quantities being tested.

Hₐ: μ₀ ≠ 3.5 kg or more specifically,

Hₐ: μ₀ < 3.5 kg

Basically, the major takeaway from this question is that it is the population mean that usually/normally appear in the hypothesis statements.

Hope this Helps!!!

4 0
3 years ago
What is 5 7/9 - 3 2/3 ?
trasher [3.6K]

Answer:

I got 1.8 repeated but I'm not sure if it's right you might have to wait and see what others get sorry

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3 years ago
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