Post a New Question

statistics

posted by .

The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 18. A random sample of 310 salespeople was taken and the mean number of cars sold annually was found to be 71. Find the 94% confidence interval estimate of the population mean.

  • statistics -

    94% = mean ± 1.88 SEm

    SEm = SD/√n

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question