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Masja [62]
2 years ago
5

On a standardized exam, the scores are normally distributed with a mean of 120 and

Mathematics
1 answer:
Ierofanga [76]2 years ago
6 0

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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