Let p equal the proportion of triathletes who suffered a training-related overuse injury
Chapter 7, Problem 7.3-3(choose chapter or problem)
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, 167 indicated that they had suffered such an injury during the past year.
(a) Use these data to give a point estimate of p.
(b) Use these data to find an approximate 90% confidence interval for p.
(c) Do you think that the 330 triathletes who responded to the survey may be considered a random sample from the population of triathletes?
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