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. 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):