Question

2. (22.06) Resistance training is a popular form of conditioning aimed at enhancing sports performance and is widely used among high school, college, and professional athletes, although its use for younger athletes is controversial. Researchers obtained a random sample of 4148 patients between the ages of 8 and 30 who were admitted to U. S. emergency rooms with injuries classified by the Consumer Product Safety Commission code "weight-lifting." These injuries were further classified as " accidental" if caused by dropped weight or improper equipment use. Of the 4148 weight-lifting injuries, 1413 were classified as accidental. What is a 90% confidence interval for the proportion of weight-lifting injuries in this age group that were accidental? The 90% confidence interval (±0.001) is from _____ to _____

Answer 1