What is the probability this parka sells less than half of the forecast?
Given:
1. A store purchases parkas for $10 each.
2. Demand for the parkas are uncertain.
3. Forecast for deman is normally distributed with mean of 2,100 and a standard deviation of 1,200.
4. Store will sell each parka for $22 each.
5. Unsold parkas have no salvage value.