MEq/L upper and lower

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Video Transcript

Hi I'm David and I made you. Have you answered your question? Now let me bring up your question here in the question I'm going to discuss about the government of our father. Mean let me remind you that then we have the company into vote fundamental. The formula will be the expert plus minus the end. Far out with U. Times sigma hours with the man In this question were given the N equal to the 6th day. Some women expert equal to a 100 100 standard division equal to the 37. The question asked me to find the 99% confidence interval. Now we look at the formula, we have to find a critical value When the 99% comes into the wall and 5 to 1 Therefore and for over two Ego during the 0.5 Percent equity in 2005. And we look at the table from the 00105 We see the very equal to the 2.575. How far we have the 99 percent confidence interval. Find a meal ex parte equal 200 plus and minus Z. and for our two will be the 2.575 times sigma will be 37 hours square root number 16. If we compute the value on the right, We will have to be on 575 10 30- seven Divided by Square Root of 60. You go to the trail pond three. Now we use the minus we get the answer. It will equal to The 87.7. It will use the plus equal to the 112.3. Then found the answer from the lower limit equal to 87.7 I believe it will cost you 112.3 and that's gonna be the answer to this question here.

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