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Home Q & A Board Science-Related Homework Help Mathematics
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jprust87 jprust87
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6 years ago
A professor at a local university noted that the grades of her students were normally distributed with a mean of 78 and a standard deviation of 10.
 a. The professor has informed us that 16.6 of her students received grades of A. What is the minimum score needed to receive a grade of A?
 b. If 12.1 of her students failed the course and received an F, what was the maximum score among those who received an F?
 c. If 33 of the students received grades of B or better (i.e., an A or B), what is the minimum score of those who received a B?
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vbassvbass
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Katey_maree
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Correct Slight Smile TY
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Thanks for your help!!
einstein
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This site is awesome
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