Suppose two drugs are routinely used for the treatment of thyroid dysfunction. Drug X is known to cure the disorder 75% of the time and costs $88. Drug Y is known to cure the disorder 60% of the time and costs $75. The two drugs work independent of each other. The two treatment plans are as follows: Plan A: Treatment with Drug X—if not effective, treatment with Drug Y Plan B: Treatment with Drug Y—if not effective, treatment with Drug X
