The success rate is a measure of how effective something or someone is in achieving their desired outcome. It represents the percentage of successful outcomes compared to the total number of attempts made, and can be used as a benchmark for evaluating performance. For example, if a medical treatment has a 70% success rate, it means that it helps to improve the condition in 70% of cases, while not working in the remaining 30%. The term "success rate" is commonly used in various fields such as medicine, business, education and sports, among others.