1.You know you need to score at least 82 points on the final exam to pass your

class. After the final, you find out that the average score on the exam was 78

with a standard deviation of 7. How likely is it that you pass the class?pg. 115

2.Find the z-score that bounds 25% of the lower tail of the distribution.

3.Find the z-score that bounds the top 9% of the distribution.

4.In a distribution with a mean of 70 and standard deviation of 12, what

proportion of scores are lower than 55?

Hi, I am having a hard time learning virtually, can someone please help me with these questions?