Fifty pro-footbal rookies were rated on a scale of 1 to 5 , based on performance at a training camp as well as on past performance. A ranking of 1 indicated a poor prospect whereas a ranking of 5 indicated an excellent prospect. The following frequency distribution was constructed. a-1. How many of the rookles recelved a rating of 4 or better? Number of rookies a-2. How many of the rookies received a rating of 2 or worse? 2-1. Construct the corresponding relative frequency distribution. (Round your answers to 2 decimal places.) b-2. What percent received a rating of 5 ? c. Select a bar chart for this data