<span>16.1428571 = mean
3.563 = standard deviation
</span>
If you divide 2380 by 4, it will give you 10% of the whole:
1380/4=345
Then you can times 345 by 6 To find the 60%:
345*6=2070
PS Please check my calculations with a calculator as I worked these out in my head.
Answer:
Step-by-step explanation: