The distribution of rooms' temperature for the ELB is known to be normally distributed with a mean u , the actual room temperature Ti, and standard deviation temperature o. Based on the collected temperature data, the following conclusions were drawn, 8% of all the rooms have a temperature above 22.50 C, and 25% of all the rooms have a temperature below 17.40 C. What is the mean (u) value and standard deviation () of the temperature distribution? ( You need to use the attached Z-table for this question)