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eduard
3 years ago
14

Is 5 in the solution set of x + 3 > 8? Explain

Mathematics
1 answer:
Arada [10]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

x+3>8

-3

x>5

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A random sample of 16 one-kilogram sugar packets is obtained and the actual weights of the packets are measured. The sample mean
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Answer:

The 99% two-sided confidence interval for the average sugar packet weight is between 0.882 kg and 1.224 kg.

Step-by-step explanation:

We are in posession of the sample's standard deviation, so we use the student's t-distribution to find the confidence interval.

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99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 35 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.905([tex]t_{995}). So we have T = 2.9467

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The upper end of the interval is the sample mean added to M. So it is 1.053 + 0.171 = 1.224 kg.

The 99% two-sided confidence interval for the average sugar packet weight is between 0.882 kg and 1.224 kg.

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3 years ago
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Step-by-step explanation:

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