1. bower is an outdoor clothing accessories chain that produces a line of hats for $10 from its asian supplier, bowersports. unfortunately at the time of order placement, demand is uncertain. bower forecasts that its demand is normally distributed with a mean of 2,100 and standard deviation of 1,200. the hats are sold for $22. unsold hats have little salvage value: bower simply donates them to charity. a) bower will consider this hat to be a big success if it sells more than 4,000. what is the probability it will be a big success?