The distance of planet mercury from the sun is approximately 5.8 ⋅ 107 kilometers, and the distance of earth from the sun is 1.5 ⋅ 108 kilometers. about how many more kilometers is the distance of earth from the sun than the distance of mercury from the sun? 4.3 ⋅ 107 kilometers 9.2 ⋅ 107 kilometers 9.2 ⋅ 108 kilometers 5.7 ⋅ 109 kilometers

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.