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Lelu [443]
3 years ago
5

What is the answer to 25 times 2/5

Mathematics
2 answers:
Fittoniya [83]3 years ago
8 0
First of all you must convert 25 into a fraction by putting it over one
\frac{25}{1}×\frac{2}{5}.
Then you multiply accross \frac{25}{1}×\frac{2}{5}=\frac{50}{5} then you divide the numerator(top) by the denominator(bottom) 
50÷5=10
You answer is 10
lbvjy [14]3 years ago
7 0
The answer is 10. As you do 25 * 2, divide this by 5.
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Suppose that you take 1000 simple random samples from a population and that, for each sample, you obtain a 95% confidence interv
Bogdan [553]

Using the interpretation of a confidence interval, it is found that approximately 950 of those confidence intervals will contain the value of the unknown parameter.

A x% confidence interval means that we are x% confident that the population mean is in the interval.

  • Out of a large number of intervals, approximately x% will contain the value of the unknown parameter.

In this problem:

  • 95% confidence interval.
  • 1000 samples.

0.95 x 1000 = 950

Hence, approximately 950 of those confidence intervals will contain the value of the unknown parameter.

A similar problem is given at brainly.com/question/24303674

3 0
2 years ago
4.890 in expanded form?
dangina [55]

Answer: The student’s values are accurate as well as precise.

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Precision refers to the closeness of two or more measurements to each other.

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Accuracy refers to the closeness of a measured value to a standard or known value.

For Example: If the mass of a substance is 50 kg and one person weighed 49 kg and another person weighed 48 kg. Then, the weight measured by first person is more accurate.

Given: Mass = 5.000 g

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Thus as the measured value is close to the true value, the student’s values are accurate and as the values are close to each other, the measurement is precise.

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