SOLUTION: 20 litres of milk are drawn from a churn containing 80 litres. If each of these measurements is liable to a 10% error, calculate the limits within which the remaining quantity lies

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Question 1198850: 20 litres of milk are drawn from a churn containing 80 litres. If each of these measurements is liable to a 10% error, calculate the limits within which the remaining quantity lies.
Answer by ikleyn(52756) About Me  (Show Source):
You can put this solution on YOUR website!
.

The lover limit is 80*(1-0.1) - 20*(1+0.1).

The upper limit is 80*(1+0.1) - 20*(1-0.1).


To get the numbers, use your calculator.


The formulas itself are self-explanatory.