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Home Q & A Board Science-Related Homework Help Mathematics
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tmontes00 tmontes00
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6 years ago
Grades for a statistics exam for a certain class follow the normal probability distribution with a mean of 82 and a standard deviation of 12 . What percentage of the students in the class had a grade 81 or more?
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hahauebfhahauebf
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6 years ago
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tmontes00 Author
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6 years ago
Good timing, thanks!
Marcie D
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Yesterday
Thanks
linlinlin
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2 hours ago
Helped a lot
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