Question

What are the sources of uncertainties in demand and what can be done to cope with
these uncertainties?​

Answer 1

Answer:

Demand forecasts are subject to error and uncertainty, which arise from three principal sources:

Data about past and present market,

Methods of forecasting, and,

Environmental change.

Demand forecasts are subject to error and uncertainty which from three principal source.

...

Coping with Uncertainties:

Conduct analysis with data based on uniform and standard definitions.

In identifying trends, coefficients, and relationships, ignore the abnormal and out-of-the-ordinary observations.

Environmental Change. The environment in which a business functions is characterized by numerous uncertainties. 

Hope it was helpful !!!..