Answer:
It's no answer. This question is unsolvable
Step-by-step explanation:
Answer:115
Step-by-step explanation:
Answer: do you do f4f?
Step-by-step explanation:
Answer:
74.72
Step-by-step explanation:
Given
mean
Standard deviation 
For Top 25%

and Z value for 75 % is 0.6744
Thus score which separates the Top 25% of students is

