1. Let p equal the proportion of triathletes who suffered a training-related overuse injury during the past year. Out of 330 triathletes who responded to a survey, 177 indicated that they had suffered such an injury during the past year. Test at 10% significance level whether the true proportion of triathletes who suffered a training-related overuse injury during the past year is different from 2/3. Use all 3 approaches