Table 1: Probability Table for Normal Distribution Num of SD Probability (%) Defect Rate double tail(%) Defect Rate Defect per single tail(%) Million 123 68.26 31.74 15.87 317,400 95.44 4.56 2.28 45,600 99.73 0.27 0.13 2,700 1. Calculate the probability of x = u-2.30 and x = u-3.30, separately 2. Calculate double tail probability of x outside 3.25 . 3. Calculate double tail probability of x outside 5.5 . 4. Calculate single tail probability of x outside +4.70.