Posted by **lauren** on Saturday, February 16, 2008 at 5:16pm.

Professor Smith conducted a class exercise in which students ran a computer program to generate random samples from a population that had a mean of 50 and a standard deviation of 9mm. Each of Smith's students took a random sample of size n and calculated the sample mean. Smith found that about 68% of the students had sample means between 48.5 and 51.5 mm. What was n? ( assume that n is large enogh that the Central Limiot Theorem is applicable)

## Answer This Question

## Related Questions

- Statistics - In Professor Smith's statistics course, the correlation between ...
- statistics - The scores of students on the ACT college entrance examination in ...
- statistics - Professor Smith gave a final exam in her history class. The scores ...
- Statistics - 1. The scores of students on the ACT college entrance examination ...
- Statistics - A college statistics class conducted a survey of how students spend...
- statistics - At a local high school students were randomly assigned to one of ...
- Math - I have a problem on standard deviation, and I will need some help with it...
- statistics - what are the mean and standard deviation of a sampling distribution...
- Statistics - A computer repair service found that a random sample of 45 repair ...
- Statistics - This is the first question..... For a population that has a ...

More Related Questions