Number 3 is tell I'll answer the others in a separate answer
Answer:
Z score = (reading - 45)/ 16
so Z score for 38.60 >>>> Z = (38.60 - 45)/16 = -0.4923
Z score for 57.80>>>>>>>Z = (57.80 - 45)/16 = 12.80/16 = + 0.8
Now consult a Table of Z values to get the answers.
All values in the table are positive. Your first Z score is negative but the negative sign only tells you that your reading is less than the average.
Explanation:
Please mark brainliest and have a great day!
Answer:
In life I believe that studying is one of the steppingstone that can allow me to reach my dreams and goals and this is the kind of wealth that no one can take it away
Explanation: