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True proportion of delayed flights

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Reference no: EM132156995

Accounts department of an airline company claims that 2 out of 10 flights depart from a certain airport are delayed. Suppose you work for the company as a statistical consultant and want to see whether true proportion of delayed flights is different from what they claim. You randomly selected 120 flights and recorded their flight status. Out of 120 sampled flights, 18 flights were delayed. P value of the test is

  1. 0.1706
  2. 0.1250
  3. 0.0625
  4. 0.0853

Reference no: EM132156995

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