Fifty pro-football 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. Rating Frequency 1 3 2 7 3 16 4 21 5 3 a-1. How many of the rookies received a rating of 4 or better? Number of Rookies?
a-2. How many of the rookies received a rating of 2 or worse? Number of Rookies_?
b-1. Construct the corresponding relative frequency distribution. (Round your answers to 2 decimal places.) RatingRelative Frequency 1 2 3 4 5 Total
b-2. What percent received a rating of 5? Percentage of rookies_?