I believe the answer is B right??? and why are there two 25% ?
Answer:
i think your answer would number 1 or number 4
Step-by-step explanation:
The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?


The above equation can further be written as:

New mean = 
= 66.09
Therefore, the new mean is 66.09
Answer:tbh, that's impossible
Step-by-step explanation: