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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?

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 standard class=

Respuesta :

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

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