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Simple probability

Jake is going to call one person from his contacts at random. He has 3030 total contacts. 1616 of those contacts are people he met at school.
What is P(call a person from school)\text{P(call a person from school})?
If necessary, round your answer to 22 decimal places.
  • Your answer should be
  • an integer, like 66
  • an exact decimal, like 0.750.75
  • a proper fraction, like 1/21/2 or 6/106/10
  • an improper fraction, like 10/710/7 or 14/814/8
  • a mixed number, like 1 3/41\ 3/4
  • a percent, like 12.34%12.34\%