Answer:
- 34.1%
- 67.4%
- 23.6%
- 62.9%
Step-by-step explanation:
1. There are 82 women, of which 28 are Orthopedic doctors.
 28/82 ≈ 34.1%
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2. There are 82 women, and an additional 38 men orthopedic doctors among the 178 doctors.
 (82+38)/178 ≈ 67.4%
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3. There are 42 pediatricians among the 178 doctors.
 42/178 ≈ 23.6%
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4. There are 42 pediatricians and 70 family doctors among the 178 doctors.
 (42+70)/178 ≈ 62.9%
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It is convenient to add totals to the table. They make it easier to answer the questions.