State the value of the test statistic

Assignment Help Basic Statistics

Reference no: EM13142706

In a random sample of 500 Southwest Airlines flights departing Phoenix Sky Harbor Airport in January 2008, 141 departed 15 minutes or more later than scheduled. At the .05 level of significance, is there evidence that that the proportion of delayed Southwest Airlines departures from Phoenix in January 2008 is greater than 25%?

Complete the following:

1. State H0.
2. State H1.
3. State the value of α.
4. State the value of the test statistic.
5. State the p-value.
6. State the decision in terms of H0 and why.
7. State the decision in terms of the problem.

Reference no: EM13142706

Questions Cloud

What assets would we require and might we finance them : Even small businesses require plant, property and equipment to compete and normally rely on some form of debt to finance itself. Let's start up a company that sells auto parts like Napa or Auto Zone. What assets would we require? How might we fin..

How much can emily deduct : In 2010, emily invests $100,000 in a limted partership that is not a passive activity. During 2010, her share of partnership loss is $70,000. In 2011, her share of the partnership loss is $50,000. How much can emily deduct in 2010 and 2011?

Would use of accelerated depreciation in financial stmt : Would the use of accelerated depreciation in the financial statements be more conservative or less conservative than the current practice of using the straight- line method? Explain."

What limits npp in terrestrial ecosystems : What limits NPP in terrestrial ecosystems? a. Temperature b. Water c. Nutrients d. All of the above e. None of the above.

State the value of the test statistic : At the .05 level of significance, is there evidence that that the proportion of delayed Southwest Airlines departures from Phoenix in January 2008 is greater than 25%? State the decision in terms of the problem.

Improve the organization-correctness and coherence : Improve the organization, coherence, and correctness of the following paragraph. We feel that the "extreme" strategy has not been developed fully in the fast-food market. Pizza Hut is considering launching a new product called The Extreme.

Why you company uses accelerated depreciation method : Why do you think that the company uses accelerated depreciation methods in its income tax returns?

Find specific information about which metals interact edta : The effect of various metal ions on alkaline phosphatase (AP) activity. Each metal ion was added at 10 mM concentration, except zinc, which was added at 0.5 mM.

Result of converting from fifo to lifo : An entity changed from the FIFO to the LIFO cost flow assumption for inventories. Assuming that inventory and sales remain constant over time, and that prices are rising, how would the current ratio be changed as a result of converting from FIFO t..

User Account

All Pages