Mathematics, 06.05.2020 21:38, rissaroo159
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.
The professor has informed us that 23.89 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
(Please, use only one decimal Place)
Answers: 2
Mathematics, 21.06.2019 15:30, adriana145
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 3
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