Please help me answer these STATISTICS questions with full solutions and steps pls

Test II. Use the standard normal distribution table to nd the following z-scores. Illustrate the normal Curve. 1. Fmd the following z-scores when the mean is 25 and the standard deviation is 4-: (3pts each} a. 20 b. 32 c. 23 cl. 25 e. 17 2. The average rate per hour of an employee in a fastfood chain is Php33 with a standard deviation of 5. If these values were normally disb-ibuted, (Epts each) a. What percent of the employees got an hourly rate of 4D and above? b. What percent of the employees got an hourly rate between 30 and 40? I:. If there were 200 employees, how many got an hourly rate of above Php43? Test III. Please follow steps in testing hypothesis. 1. A diet clinic states that there is an average loss of 24 pounds for those who on the program for 20 weeks. The standard deviation is 5 pounds. The clinic tries a new diet, reducing salt intake to see whether that strategy will produce a greater weight loss. A group of 41] volunteers loses an average of 16.3 pounds each over 20 weeks. Should the clinic change the new diet? Test at o=.DS(2IJ pts]