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dusya
[7]
2 years ago
7
The mean score of a placement exam for entrance into a math class is 80, with a standard deviation of 10. Use the empirical rul
e to find the percentage of scores that lie between 60 and 80. (Assume the data set has a bell-shaped distribution.)
Mathematics
Answer
Comment
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1
answer:
Sedbober
[7]
2 years ago
5
0
Answer:
47.5%
Step-by-step explanation:
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