Question

15)Myers Business Systems is evaluating the introduction of a new product. The possible levels of unit sales and the probabilities of their occurrence are given next:
 Possible
Market ReactionSales in
UnitsProbabilities  Low response 35  .20   Moderate response 45  .20   High response 60  .30   Very high response 80  .30 
 a.What is the expected value of unit sales for the new product? (Do not round intermediate calculations and round your answer to the nearest whole unit.)
   Expected valueunits  
 b.What is the standard deviation of unit sales? (Do not round intermediate calculations. Round your answer to 2 decimal places.)
   Standard deviationunits  

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