The weights of professional wrestlers are approximately normally distributed with a mean of 220 pounds and a standard deviation of 7 pounds. What is the standardized score for a wrestler with a weight of 230 pounds?
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Answer: C. 1.43
Step-by-step explanation:
Z score formula is x-mean/ Standard deviation
230-220/7= 10/7= 1.43
So the standardized score is 1.43