A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 10. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A. O B 'c. O O O O 90 7% H+o 63% H-204 IN+ 26 H-2041 91% 1+26 1+36 U+30 1+ 36 100 110 120 130 140 110 120 130 70 100 110 120 b) In what interval would you expect the central 99.7% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 99.7% of the IQ scores are between 80 and 120 (Type integers or decimals. Do not round.)