Calculating z-scores You might need: E Calculator The grades on a physics midterm at Covington are roughly symmetric with u = 72 and o = 2.0. Stephanie scored 74 on the exam. Find the z-score for Stephanie's exam grade. Round to two decimal places. Show Calculator Stuck? Review related articles/videos or use a hint. Report a problem 3 of 4 . .O0 Rain off and on h inort sc ho 144

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