Solve the following oompletely. 1. In a given normal distribution, the population mean is 60 and the population standard deviation is 2.5. Find the corresponding standard score or z-soore of the following values: a. 73 b. 84 c. 62 2. The mean height of Grade 11 students at a oertain University is 150 cm and the standard deviation is 12 cm. Assuming that the heights are normally distributed. what percent of the heights is: a. greater than 156 cm? b. less than 145 cm? 0. between 142 cm and 152 cm