Posted by **taylor quenzler** on Thursday, July 26, 2012 at 9:00pm.

3. The mean family income in Arizona is about $64,750 with a standard deviation (for the population) of $59,750. Imagine that you are taking a sample of 200 randomly selected state residents. (a) What is the probability that your sample mean is between $61,000 and $64,750? (b) For this same sample size, what is the probability that the sample mean exceeds $75,000? (c) What income levels would correspond with the 95% confidence limits for this sample? (d) Interpret what these 95% confidence limits tell us

## Answer this Question

## Related Questions

- Math - 1.)Suppose you interview 10 randomly selected workers and ask how many ...
- stats - A sample of 12 observations is selected from a normal population for ...
- Math--Statistics - I have a couple of questions that need review--I've answered ...
- Math - Q1. A population has a mean of µ = 80 with σ = 20. a. If a single ...
- math - sample of 40 observations is selected from one population with a ...
- Stats - You take and SRS of size 25 from a population with mean 200 and standard...
- statistics - A sample of 40 observations is selected from one approximately ...
- statistics - A sample of 40 observations is selected from one approximately ...
- statistics - A specific study found that the average number of doctor visits per...
- statistics - Use the given information to find the minimum sample size required ...

More Related Questions