1 answer:
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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~hope you have a great day/night :-) ~
Step-by-step explanation:
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Given,x-y=10
Then,-y=10-x
or,-y=-(-10+x)
or,y=x-10
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