Chapter 20, Problem 9IQ

Summary Introduction

To determine: The explanation about the lack of change in winning speeds

Introduction: The racing horses are those who are used on a large scale for the racing on the state or national level. The horses are a breed with the superior females (thoroughbreds) to obtain the pure breed of the racing horses with the high speed, sprit, and agility. One such famous horserace is Kentucky derby, in which the large breeds of racing horses take place.