Wednesday

March 4, 2015

March 4, 2015

Posted by **Shon** on Monday, October 26, 2009 at 8:05pm.

1.From a written survey where the respondents were asked to rate an individual on a scale of 1 tp 5, one group rated an individual a 3.7, a another group rated the individual a 4.3. Is the difference statistically significant?

2. A catering company is buying equipment in order to set up their own store. They a choice of two ovens that they can purchase for the store. The used oven is 100 less than the new oven, but its heating caliberation is off by 20 degree. Which one is a better buy for them?

3. Jim Smith owns three real estate offices in Amytown. He has decided between Hometown or Uptown as the town where he wants to locate. He will compare the mean number of homes sold per real estate agent and the mean commission percentage earned by agents in the two towns to make his decision?

4. A study to determine if job absenteeism is distributed evenly over the week.

- Stat -
**Visha**, Tuesday, September 25, 2012 at 3:57pmA new chewing gum has been developed that is helpful to those who want to stop smoking.

If 60 percent of those people chewing the gum are successful in stopping smoking, what is the probability that in a group of four smokers using the gum at least one quits smoking? (Round your answer to 3 decimal places.)

**Answer this Question**

**Related Questions**

Stat - Label each of the following situations “P” if it is an example of ...

precalc - What are parametric equations? How would you find the rectangular eq's...

Calculus - Determine two sets of parametric equations for the line passing ...

statistics - Two-sample Non-parametric Test Now, we examine the relationship ...

math - Find the area of the region in the first quadrant that is below the ...

Precalculus - Find the sum of all possible values of the constant k such that ...

Precalculus - Find the sum of all possible values of the constant k such that ...

Calc 3 - Find the parametric equations for the tangent line to the curve with ...

Calc 3 - Find the parametric equations for the tangent line to the curve with ...

parametric equations - On what intervals of t is the curve described by the ...