- Access to 800,000+ Textbook Solutions
- Ask any question from 24/7 available
- Live Video Consultation with Tutors
- 50,000+ Answers by Tutors
The number of cars sold annually by used car salespeople
The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 15. A random sample of 15 sales-people was taken, and the number of cars each sold is listed here. Find the 95% confidence interval estimate of the population mean. Interpret the intervalestimate.
Membership TRY NOW