Question: please show hor you solved it!! thank you! orrect 0/3 pts Question 5 The distribution of OBA 311 grades for a class of business students

please show hor you solved it!!

thank you!

orrect 0/3 pts Question 5 The distribution of OBA 311 grades for a class of business students has a mean of 75 and standard deviation of 5. Assume that the grades are normally distributed. Find the probability that a student's grade is greater than 80. Round your answer to 2 decimals. 81.41 correct Question 6 0/3 pts The distribution of OBA 311 grades for a class of business students has a mean of 75 and standard deviation of S. Assume that the grades are normally distributed. 95% of students have scores below what value? Round your answer to 2 decimals. 84.8

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