1. The problem statement, all variables and given/known data My mean is 5.80 My standard deviation is 0.64 The largest number does not exceed 7 1) What is the probablity the probability of randomly selecting a number, and the number being over 2 σ from the mean. 2) For a sample of 30, what is the probablity the mean will be over 2 SD from the mean? 2. The attempt at a solution 1) It must be 0%, correct? As 2 sd greater than the mean exceeds all values there are? 2) This is the one that puzzles me. I genuinely do not understand why 30 samples do not have to be taken. Perhaps, it also has something to do with 2 σ from the mean exceeding all values?