AI Tutor
Back to 7.4 Finite Population Correction Factor

7.4 Exercise 8

Avg difficulty 2.5

Cars pass an automatic speed check device that monitors 2,000 cars on a given day. This population of cars has an average speed of 67 miles per hour with a standard deviation of 2 miles per hour. If samples of 30 cars are taken, what is the probability a given sample will have an average speed within 0.50 mile per hour of the population mean?

OpenStax Introductory Business Statistics 2e, 7.4 Finite Population Correction Factor, exercise 8

AI Tutor

Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.