Bb 1190853 X Bb 1207402 X Bb 1207401 oardcdn.com/5fe3da9da56c0/1329034?X-Blackboard-Expiration=16391268000008X-Blackboard-Sig 1 /2 100% + Test #3, Introduction to Statistics (Part 2) Work the problems below and upload your answers. Problem 1. In the diagram below you are shown a normal density curve with mean # = 20 and standard deviation o = 6. Use your normal density table to find the approximate size of the shaded area under this curve. nfinity + 17 p = 20 Problem 2. In the diagram below you are shown a normal density curve with mean p = 20 and standard deviation o - 6. Use your normal density table to find the approximate size of the shaded area under this curve. H =20 23 29 Problem 3. IQ scores are normally distributed with mean a = 100 and standard deviation o = 15. Use your normal density table to find the approximate percentage of the population that has an IQ score higher than 121