Question 585220
z = (x - mu)/(sigma)


z = (48 - 40)/(10)


z = 0.8


So the z score for a raw score of 48 is <font color="red">z = 0.8</font>

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z = (x - mu)/(sigma)


z = (23 - 40)/(10)


z = -1.7


So the z score for a raw score of 23 is <font color="red">z = -1.7</font>