The Receptive-Expressive Emergent Language (REEL) Test is designed to help identify language impairments in toddlers and infants. For the following examples, let's assume REEL scores come from a normal distribution with a population mean REEL score of 100 and population standard deviation of 20 . 1. What percent of infants score at most 85 ? 2. What percent of infants score at least 85 ? 3. What is the combined percentage from questions 1 and 2? 4. What percent of infants score between 72 and 115 ? 5. What REEL test score corresponds to the 83 rd percentile? 6. Using the empirical rule, what test scores correspond to the middle 68% of the data?