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00000 2. A study is conducted to assess the efficacy of bisphosphonate treatment in preventing vertebral fractures in women with low bone density. A total of 257 women with low bone density and no history of fractures are randomly assigned to receive a bisphosphonate or placebo for 3 years. Results show: Fracture Yes No Total Therapy Bisphosphonate Placebo Total 32 98 130 42 88 130 74 186 260 Based on these data, which of the following mathematical expressions should be used to calculate the number of women that must be treated with a bisphosphonate to prevent one fracture? A) (32/98)/(42/88) B) (42/88)/(32/98) C) 1/(32/64-98/186) D) 130/(42-32) E) 260/(186-64)

00000 2. A study is conducted to assess the efficacy of bisphosphonate treatment in preventing vertebral fractures in women with low bone density. A total of 257 women with low bone density and no history of fractures are randomly assigned to receive a bisphosphonate or placebo for 3 years. Results show: Fracture Yes No Total Therapy Bisphosphonate Placebo Total 32 98 130 42 88 130 74 186 260 Based on these data, which of the following mathematical expressions should be used to calculate the number of women that must be treated with a bisphosphonate to prevent one fracture? A) (32/98)/(42/88) B) (42/88)/(32/98) C) 1/(32/64-98/186) D) 130/(42-32) E) 260/(186-64)

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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00000 2. A study is conducted to assess the efficacy of bisphosphonate treatment in preventing vertebral fractures in women with low bone density. A total of 257 women with low bone density and no history of fractures are randomly assigned to receive a bisphosphonate or placebo for 3 years. Results show: Fracture Yes No Total Therapy Bisphosphonate Placebo Total 32 98 130 42 88 130 74 186 260 Based on these data, which of the following mathematical expressions should be used to calculate the number of women that must be treated with a bisphosphonate to prevent one fracture? A) (32/98)/(42/88) B) (42/88)/(32/98) C) 1/(32/64-98/186) D) 130/(42-32) E) 260/(186-64)
Transcribed Image Text:00000 2. A study is conducted to assess the efficacy of bisphosphonate treatment in preventing vertebral fractures in women with low bone density. A total of 257 women with low bone density and no history of fractures are randomly assigned to receive a bisphosphonate or placebo for 3 years. Results show: Fracture Yes No Total Therapy Bisphosphonate Placebo Total 32 98 130 42 88 130 74 186 260 Based on these data, which of the following mathematical expressions should be used to calculate the number of women that must be treated with a bisphosphonate to prevent one fracture? A) (32/98)/(42/88) B) (42/88)/(32/98) C) 1/(32/64-98/186) D) 130/(42-32) E) 260/(186-64)
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