zed to a mai model, with a mean of 100 and a standard deviation of 20, a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. OB. OC. 68% 997% +20 +30 40 60 00 100 120 140 100 99% G 95% 0% +20 +30 40 60 80 100 120 140 100 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 and [ (Type integers or decimals. Do not round.) 997% 100 120 140 100 10