rashawng2005
27.04.2021 •
Mathematics
The following measurements (in picocuries per liter) were recorded by a set of hydrogen gas detectors installed in a research facility: 130,88.2,134.6,103.2,128.3 Using these measurements, construct a 99% confidence interval for the mean level of hydrogen gas present in the facility. Assume the population is approximately normal. Step 3 of 4 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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Ответ:
Step-by-step Explanation:
When dealing with ratios, there is always most likely a second number given to you. This number is going to be 1.
When looking for n, you have to look for all of the numbers, in this case there is only two.
1 is the hour, so now you just need the 20 minutes.
If the ratio is 1:n, this means that n would have to equal 20.
1:20