28 question

D a R 28 4 53 Assume we have access to three sampling distributions for surveys taken about a small town's residents' opinions on an upcoming ballot initiative (agree or disagree). Left Tail Two-Tail Right Tail ........................ ......................... ................ A. .......... ..."... ............ ........... 0.58 0.60 0.62 0.64 0.66 0.68 Left Tail Two-Tail Right Tail B. .......... ........ ..... :::........ B. .. .......... ..... ....... ... .. 0.67 0.68 0.69 0.70 0.71 0.72 0.73 0.74 0.75 0.76 Left Tail Two-Tail Right Tail ............. ............. ............ ::::..... C. ............. ................. ...... .... . . . . .. ... . .. 63 0.64 0.65 0.66 0.67 0.63 0.69 0.70 0.71 0.72 0.73 After the votes are in, it was found that the true proportion of voters that agreed with the initiative was 0.68. Based on this information, decide whether each of the sampling methods used to create the sampling distributions A--C was simple random sampling, or a biased method