Are the events h and s independent


Discuss the below:

Q: Saint Paul's Hospital commissioned an independent study to determine if there was a difference between the quality of care provided by hospital-trained nurses and tertiary-trained nurses. Two hundred nurses were rated as either providing Superior Service (S) or Adequate Service (A)

                                                  Superior (S)     Adequate (A)

Hospital-trained (H)                         48                     12

Tertiary-trained (T)                          76                     64

The results are as follows:Are the events H and S independent? Justify your answer mathematically.

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Basic Statistics: Are the events h and s independent
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