A study of the impact of seeking a second opinion about a medical condition is described in a paper Based on a review of a certain number of patient initiated second opinions the paper states Second opinions often resulted in changes in diagnosis 13 8 treatment 36 4 or changes in both 9 6 Consider the following two events D second opinion results in a change in diagnosis T second opinion results in a change in treatment a What are the values of P D P T and P Dn T P D P T P DnT b Use the given probability information to set up a hypothetical 1 000 table with columns corresponding to D and not D and rows corresponding to T and not T Change in Diagnosis D No Change in Diagnosis not D Change in Treatment 7 No Change in Treatment not 7 Total c What is the probability that a second opinion results in neither a change in diagnosis nor a change in treatment d What is the probability that a second opinion results in a change in diagnosis or a change in treatment Total MY N 1 000