Hello!! I have an upcoming exam for Stats class so I kindly need your help!! So please if you can kindly explain, answer, and add formulas to each question below!! Thank you so much!! I appreciate it!!

1. How to calculate the probability of cases under the normal curve for "less than", "more than", "between" and "Or" scenarios (4 Questions).
2. How to calculate the observed value (x) under the normal curve for "less than", "more than" and "between" scenarios (3 Questions).
3. How to calculate point estimate, margin of error and interval estimate for z-distribution and t-distribution (4 Questions)
4. The effects of sample size and confidence level on margin error and interval estimate. (2 Questions)
5. How to determine a minimum sample size for categorical and numerical data. (2 Questions).
6. How to state the null and alternative hypotheses (1 Question)
7. How to determine the type of tail test. (1 Question)
8. How to differentiate between type 1 and type 2 error. (1 Question)
9. How to find the critical value. (1 Question)
10. How to calculate the test value. (1 Question)
11. How to make decision based on the test value and critical value. (1 Question)