An appliance dealer sells 5 types of air conditioners. The above gives the distr

Question

An appliance dealer sells 5 types of air conditioners. The above gives the distribution of the random variable X - tonnage of air conditioner bought by a customer What is E(X)? 10.0400 What is sigma (x)?8.4730 The air conditioners are priced by the retailer at 200 dollars per ton. The retailer pays 100 dollars per ton to buy the air conditioners. In addition there is an overhead cost of 50 dollars per air conditioner. What is the expected value of the profit for the retailer from the sale of an air conditioner? 954 The air conditioners are priced by the retailer at 200 dollars per ton. The retailer pays 100 dollars per ton to buy the air conditioners. In addition there is an overhead cost of 50 dollars per air conditioner. What is the standard deviation of the profit for the retailer from the sale of an air conditioner?

Explanation / Answer

Hence the standard deviation of profit is 694.5502

Cost Price Selling Price Profit 150 200 50 250 400 150 550 1000 450 1050 2000 950 2050 4000 1950 Std.dev 694.5502

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