What is the probability of teachers who are satisfied with their jobs

A survey of job satisfaction of teachers was taken, giving the following results.

Teachers

Satisfied

Unsatisfied

Total

College

74

43

117

High School

224

171

395

Elementary

126

140

266

Total

424

354

778

  1. What is the probability of teachers who are college teachers?
  2. What is the probability of teachers who are satisfied with their jobs?
  3. What is the probability of teachers who are satisfied and college teachers?
  4. What is the probability of teachers who are college teachers given they are satisfied?
  5. What is the probability of teachers who are satisfied given they are college teachers?

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