The following information is for the next two questions

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The following information is for the next two questions. The proportion

of a population exhibiting a particular trait is .20. For samples of size n = 100 selected from this population, consider the sampling distribution of ˆp = the sample proportion exhibiting the trait. 


Q36. The mean of the sampling distribution of ˆp is _____ . (A) .0016; (B) .040; (C) .800; (D) .200; (E) None of the above choices represents a suitable response. 


Q37. The standard deviation of the sampling distribution of ˆp is _____ (rounded to three decimal places). 
(A) .200; (B) .040; (C) .240; (D) .0016; (E) None of the above choices represents a suitable response. 


Q38. A parameter is __________ . (A) a numeric description of a sample; (B) a numeric description of a population; (C) a sample that has been randomly selected; (D) a list of units from which a sample is chosen; (E) both (A) and (B). 


Q39. A researcher plans to conduct a hypothesis test about the mean of a population. Before examining the data, the researcher should _____. 
(A) compute the p-value; (B) determine whether to conduct a one-sided or two-sided test; (C) decide whether to accept or reject the null hypothesis; (D) both (A) and (B); (E) None of the above choices represents a suitable response. 


Q40. For analyzing a 3x2 contingency table using the .05 level of significance, the magic number is _____. 
(A) 9.21; (B) 6.63; (C) 3.84; (D) 9.49; (E) None of the above choices represents a suitable response.