Post a New Question


posted by .

A random sample of 60 riders waited in line a mean time of 42 minutes with standard deviation 12 minutes. Find a 90% confidence interval for the populationmean waiting time in line

  • Statistics -

    90% = mean ± 1.645 SEm

    SEm = SD/√n

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question