On the topic of statistical hypothesis testing, please do the following: 

1. Come up with and describe a data mining scenario where statistical

hypothesis testing could be used. 

2. Define a null hypothesis and the

corresponding alternative hypothesis in this scenario.

3. Explain what confidence

level and p-value would mean in this scenario.

4. What are the two different possible

results that the statistical test can have? 

5. What can the data miner conclude

from one or the other result?

Note that we expect about 1-3 sentences of text for each of the above points. Please start the answer to each point from a new line and with the respective number (1., 2., 3., 4., 5.).