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1. ### question in stats, mean?

... involves a proportion. The sample proportion (statistic) in this case would be 270/1000 or 0.27. The formula for confidence interval of ...

1 Answers · Science & Mathematics · 03/05/2012

2. ### math word problems.. help?? show work please?

..., I'll just consider it just as SCIENCE in this case, otherwise, it can't be solved. 32% = 0.32 so... 0.32x = 3 hours...

1 Answers · Science & Mathematics · 09/04/2010

3. ### Maths- What are the answers to these questions? ?

... or decreased by a certain percent each year (4%). This needs... amount, which is in this case 1.04 ratio = 1.04 a = 3000 (...3000 * 1.04^2 = £3244.8 for after twenty years, n = 21 x = 3000*1.04^20...

3 Answers · Science & Mathematics · 23/09/2008

4. ### Need help with a math problem?

...327% = 3.27 (converting percents to decimals; move decimal 2...digit before the decimal point in this case) 3. Two places after...be: A) 3 27/100 (three and twenty-seven hundredths)

2 Answers · Science & Mathematics · 06/01/2012

5. ### A teacher randomly assigns...?

...) (GG). So in that much smaller case, the probability is only 9/105 = 8.6% Let'...4 = 20 * 20 / 4 = 100 100 / 15400 = 1/154 = 0.65 % (2/3 of 1 percent) It makes sense that in the larger...

1 Answers · Science & Mathematics · 23/02/2010

6. ### T-test help !!!?

... negative, as it would be in this case) to get the answer in standard notation...must choose one anyway. A value of 5 percent, or 0.05, for this risk is typical...that you accept the risk - one chance in twenty in this example - of wrongly rejecting...

2 Answers · Science & Mathematics · 28/01/2008

7. ### Binomial Problems: Statistics... 10 pts.?

... successes) and add results together. 3) One in twenty is 5%. So p=.05. In this case, find only P(3), since you want to prob. that exactly 3 patients will be...

3 Answers · Science & Mathematics · 11/12/2006

...16. The rhombus has the largest area. The only case of independent events is the two spins on the spinner. ...

1 Answers · Science & Mathematics · 05/06/2013

9. ### I need some help with problems?

...theme of the other numbers (mid-teens to mid-twenties) >The "mean" is the average of all...mode" is the mose common number. in this case, the outlier doesn't phase the most common, because the outlier...

1 Answers · Science & Mathematics · 28/04/2014

10. ### HOW many are FACTORABLE polynomials. HELP!!!!!!!?

...up, we get 57 polynomials. Tacking on the twenty-one possible ones where C = 0, we get 78 ...for b, 21 possible values for c). So the percentage of factorable polynomials is 78/441 = about 17...

1 Answers · Science & Mathematics · 18/09/2007