In a normal distribution, a data value located 1.3 standard deviations below the mean has Standard Score: Z = In a normal distribution, a data value located 2.2 standard deviations above the mean has Standard Score: Z = In a normal distribution, the mean has Standard Score: z = Question Help: Video Submit Question Question 6 0/1 pt 9 4 99 0 Details A variable x is normally distributed with mean 19 and standard deviation 6. Round your answers to the nearest hundredth as needed. a) Determine the z-score for x = 23. 2 : b) Determine the z-score for x = 13. 2 : c) What value of ax has a z-score of 1.67? a = d) What value of a has a z-score of - 0.5? x = e) What value of a has a z-score of 0