Of the last 230 new hires at a company, 220 had college degrees and 140 had prior experience. Only 10 new hires had prior experience without a college degree. What is the approximate probability that a new hire has a college degree but no experience?

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The required probability is 9/23

What is probability?

  • Probability is the chance of happening of an event.
  • Probability is always ≤ 1

How to find  the approximate probability that a new hire has a college degree but no experience?

According to the problem,

  • Of the last 230 new hires at a company, 220 had college degrees
  • 140 had prior experience
  • Only 10 new hires had prior experience without a college degree

Number of students with experience and a degree = ( 140 - 10 ) = 130

Number of students with only degree = (220 - 130) = 90

Probability that a new hire has a college degree but no experience              = 90/230 = 9/23

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