As a physician, you are interested in studying human reaction time. Reaction time is known to be heavily skewed in the population. You collect a sample mean from a group of 40 professional tennis players. Using a z- score from your sample mean, you calculate the probability of observing an average reaction time at least as fast /(short) as what you observed by chance alone. Unfortunately, due to the underlying skewness in the population this approach for calculating probability is not valid