We are given the following two points.

Let us find the distance between these two points.
Recall that the distance formula is given by
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Answer: D) 14.3%
Step-by-step explanation:
Conditional probability formula:

So, The probability he or she was dissatisfied, given that he or she had hip surgery = 
From the table, the number of persons who are dissatisfied and has hip surgery = 15
Total persons have hip surgery = 105
Required probability = 
In percent, Required probability = 14.3%
Correct option D) 14.3%
Answer:
d
Step-by-step explanation:
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Minus 3x from 4x and the answer is x=5