A company that makes hair-care products had 4,000 people try a new shampoo. Of the 4,000 people, 28 had a mild allergic reacti
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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