Sammlee Sammlee

13-10-2022
Mathematics

contestada

Question 4
Professor Ivy's students have a Mean grade of 71 and a Standard Deviation of 7.5.
a.) If Johnny has an 84 in the class, what would the z-score for Johnny's grade be? Round
to the nearest tenth.
I
4 pts
b.) What percent of students in the class score better than Johnny?

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