i want to properly understand how to start the problem and need answers from questions a-f to clearly understand please.

2. Itis widely claimed that the ideal amount of sleep is 8 hrs per night. Researchers wonder if college students are getting less than this recommended amount. Sleep times were collected for a random sample of 253 college students (data|here), and the mean amount of sleep was 7.866 hrs. a. What is the observational unit, the intended population, and the variable(s)? Observation unit: College students. Intended population: Nationwide college students. Variables: Sleep time (quantitative) and whether college students got enough sleep (categorical). b. What is the parameter of interest? c. State the null and alternative hypotheses. d. What is the value of the sample statistic? e. Create a randomization distribution and approximate the p-value. f. What does the p value tell you in the context of the study? Is there strong evidence in support of the alternative hypothesis