Asked by Kim

The major would like to estimate the mean number of automobile crashes per day at the intersection of 2 highways. A random sample of 40 days worth of data had a mean of 4.3 crashes and a standard deviation of 0.9. How large of a sample would be needed in order to produce a 95% confidence interval with a maximum estimate of the error of 0.1?

Answers

There are no human answers yet.
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions