SOLUTION: Find n, given that we wish to estimate μ to within 10 units, with 95% confidence, and assuming that σ=100.

Algebra.Com
Question 1176528: Find n, given that we wish to estimate μ to within 10 units, with 95% confidence, and assuming that σ=100.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi

ME =
  = (1.96*100/10) = 19.6  0r n = 20

Wish You the Best in your Studies.


RELATED QUESTIONS

a statistics practitioner would lie to estimate a population mean to within 40 units with (answered by stanbon)
You wish to estimate µ, the average lifetime of a particular type of battery. You are (answered by stanbon)
We wish to estimate the prevalence of asthma at a large school of 1700 children.  We... (answered by stanbon)
Hospital administrators wish to determine the average length of stay for all surgical... (answered by stanbon)
You wish to estimate with 95% confidence the population proportion of US adults who think (answered by jim_thompson5910)
Suppose that 10% of the fields in a given agricultural**a) Average Number of Infested... (answered by ElectricPavlov,ikleyn)
You wish to estimate with a 95% confidence the population proportion of kids who say red... (answered by jim_thompson5910)
Assume that a sample is used to estimate a population proportion p. Find the margin of... (answered by amarjeeth123)
Section 6.1: Confidence Intervals for the Mean (Large Samples) 1. Find the critical... (answered by stanbon)