Finding probabilities from a table.
round all answers to the nearest 10th of a percent

1. what is the probability that a randomly selected women is a orthopedic doctor?

2. what is the probability that a randomly selected doctor is a women or a orthopedic doctor?

3. what is the probability that a randomly selected doctor is a pediatrician?

4. what is the probability that a randomly selected doctor is a pediatrician or family doctor?

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.

(-5,-28)

i graphed to on desmos.