The distribution of course grades in a very large class is (approximately) Normal with mean 49 and standard deviation 10. The minimum possible grade is 0 and the maximum possible grade is 120. The course instructor is considering the possibility of a "bell curve" that will increase the mean grade to 78 and decrease the standard deviation to 6. Suppose the bell curve is applied and Zeus' grade stays the same. What is Zeus' grade?

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Let zeus no be x_(1)&x_(2) vepoctively for 2 dietribution{:[X_(1)∼N(mu=49,(18)sigma^(2)=(10)^(2))],[{:x_(2)∼N=(4)^(3))],[X_(2)∼N(mu=78,sigma^(2)=(6)^(2))]:}Giventing the Zeus scove went x,z=( ... See the full answer