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There is concern about the percent of on-time flights. A recent survey of two major airlines yielded the following results. At α = 0.05 test the claim that there is a difference in proportions of on-time flights.

                                     Blue Airline      Red Airline

No. of flights                     300                 250
No. of on-time flights        213                 200

a. State the Hypotheses:

b. Compute the Test statistic: (Round off correctly)

c. Find the p-value.

d. Make the decision using the Decision Rule: (Compare the p-value with α)

e. Write the Conclusion (in plain English as related to the claim).

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9355143

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