A nationwide test taken by high school sophomores and juniors has three sections each scored on a scale of 20 to 80. In a recent year the national mean score for the writing section was 51.0 with a standard deviation of 9.1. Based on the this information complete the following statements about the the distribution of the scores on the writing section for the recent year. A) according to chebyshev's theorem at least 8/9 (about 89%) of the scores lie between B) according to chebyshev's theorem at least of the the scores lie between 32.8 and 69.2