The professors of a certain \"Terror Subject\" declared that if 70% is the passing raw score for their subject, only 40% of the students taking said subject would pass. They also added that the current 50% passing raw score resulted in 30% of the students to fail, which was acceptable to the universi standards. 0 What is the mean raw score (to two decimal place) of the 63.4851 students takin; the sub'ect'? o What is the standard deviation (to two decimal place) of 25.7153 the students taking the subject? Two equations two unknowns