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Salsk061 [2.6K]
2 years ago
6

Mr. Jackson gave an exam worth 50 points.

Mathematics
2 answers:
soldi70 [24.7K]2 years ago
7 0

Answer:

The person above is right, and deserves brainliest.

31 Is the correct answer

ED2021

Feliz [49]2 years ago
3 0

Z = (score - mean)/sd

-1.75 = (x - 38)/4

Multiply both sides by 4:

-7 = x -38

Add 38 to both sides:

x = 31

He scored a 31 points on the exam

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