In a multiple-choice examination in Chemistry, students Mikasa and Jean received scores of 82 and 65, respectively. If these scores are equivalent to z-scores of 1.6 and – 0.2, respectively, what are...

In a multiple-choice examination in Chemistry, students Mikasa and Jean received scores of 82 and 65, respectively. If these scores are equivalent to z-scores of 1.6 and – 0.2, respectively, what are the mean and standard deviation of the scores of all the students who took the examination in Chemistry?