Problem 16 and 17 The average score of 100 students taking a

Problem 16 and 17: The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. 16. Assuming a normal distribution, what is the probability that a student scored greater than 65? A. 0.2611 B. 0.7625 C. 0.2389 D. -0.714 17. Assuming a normal distribution, what test score separates the top 5% of the students from the lower 95% of the students? A. 90.00 B 83.72 C. 78.96 D. 81.51

Solution

my choose:

16) A

17) C