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koban [17]
2 years ago
9

50 POINTS!!!

Mathematics
1 answer:
Dahasolnce [82]2 years ago
8 0

Answer:

63% of students

Step-by-step explanation:

Z = (X  -  μ) / σ

Z = 520 - 500 / 60

Z = 0.33

ON THE Z-TABLE

0.33 = 0.6293

<em>62.93%  =  63% of students answer</em>

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