Which of the following is NOT a requirement of testing a claim about a population proportion using a formal method of hypothesis​ testing? Choose the correct answer below. A. The lowercase​ symbol, p, represents the probability of getting a test statistic at least as extreme as the one representing sample data and is needed to test the claim. B. The conditions for a binomial distribution are satisfied. C. The sample observations are a simple random sample. D. The conditions np5 and nq5 are both satisfied.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0