Answer for brainliest and 10 points
2 answers:
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Answer:
slope = 0
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 7, - 8) and (x₂, y₂ ) = (5, - 8)
m = =
= 0
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%