A speed training program was effective in improving the 40-y…
A speed training program was effective in improving the 40-yard sprint times of high school athletes. A study of 500 high school athletes was conducted to estimate p, the true proportion of all high school athletes who attained improved sprint times after participating in the speed training program. The study showed that 425 of the 500 athletes had improved sprint times. Construct a 98% confidence interval to estimate the true population proportion of high school athletes who have improved sprint times as a result of participating in the speed training program.