Carlosf1157 Carlosf1157

07-04-2021
Mathematics

contestada

On a standardized exam, the scores are normally distributed with a mean of 120 and
a standard deviation of 10. Find the z-score of a person who scored 115 on the exam

Respuesta :

keijosalonen keijosalonen

07-04-2021

Answer: z= -0.5

Step-by-step explanation: mean m=120 and deviation s=10.

Z = (x-m)/s= (115-120)/10

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