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1. ### Margin of Error and 98% confidence interval for the average time to complete tax forms?

... coefficient*Standard error of mean Degrees of freedom = n-1 = 100-1 = 99 Confidence coefficient is the critical value of t for 99 df for 98...

1 Answers · Science & Mathematics · 16/12/2013

...: 33 = (3^1)*(11^1), 99 = (3^2)*(11^1) Now lets do a quick table of numbers factorable with only 3 1, 3, 9, 27, 81, 273, 729, (all...

3 Answers · Science & Mathematics · 10/12/2013

3. ### Make a confidence interval Statistics??

... = (22.86, 24.54) 2 Based on the interval you constructed, does it seem likely that the average commute time for a student at NIU is less...

1 Answers · Science & Mathematics · 17/11/2013

4. ### Does the Extreme Value Theorem have to be on a closed interval?

...or 2, so is there a maximum or minimum? No. x = 1.9, y = 3.8 but x = 1.99 y is greater, 3.98, x = 1.999 then y = 3.998 etc. There...

2 Answers · Science & Mathematics · 04/02/2014

5. ### Help! Math problems 10 points to best answer!?

1 Answers · Science & Mathematics · 05/11/2013

6. ### Vanilla Box Company is going to make open-topped boxes out of 11 × 16-inch rectangles of cardboard by cutting?

... what would happen to the rectangle, if you cut out squares of size 1 in, 2 in an so forth? If you did, you would see, what happens. Once you know that, the solution will be near. The size of the box...

1 Answers · Science & Mathematics · 15/10/2013

7. ### How do I express this as a function?

f(x) = f(x-1) - f(x-1)*0.01 f(x) = 100(0.99)^x

2 Answers · Science & Mathematics · 14/10/2013

8. ### Can I pool the variances?

... t with 68 degrees of freedom with 0.05 significance level = 1.99 Calculated t exceeds critical t, so we reject the null ...

1 Answers · Science & Mathematics · 30/11/2013

9. ### Doing some simple addition, what does this add up to?

Put it in a spreadsheet and do: Σ I don't see any total ? euclid

1 Answers · Science & Mathematics · 26/09/2013

10. ### What is the limit of x/(16-x^4)^.5 as x -> 2-?

...less than 2, but very close to 2 As x approaches 2 from the left (1.99,1.999,1.9999 and so on), we see that x/sqrt(16-x^4) gets larger and...

2 Answers · Science & Mathematics · 28/08/2013