On the final examination in Engineering Data Analysis, the mean was 72 and the standard deviation was 15. determine; a) the standard core values  (z values) of students receiving the grade of 65 b) the standard core values  (z values) of students receiving the grade of 85 c) the probability that a student will score greater than 75

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On the final examination in Engineering Data Analysis, the mean was 72 and the standard deviation was 15.

determine;

a) the standard core values  (z values) of students receiving the grade of 65

b) the standard core values  (z values) of students receiving the grade of 85

c) the probability that a student will score greater than 75

d) the probability that a student will score lower than 65

e) the grade  corresponding to standard score of -0.50

f) the grade  corresponding to standard score of 1

 

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