Abrother and sister, john jones and jane jones, are both running for mayor of their respective cities—jacksonville and johnson city. a recent poll showed that ms. jones has 53% support (p_1=.53) in jacksonville and mr. jones has 51% (p_2=.51) in johnson city. ms. jones is bragging that she is beating her brother in terms of support in their respective cities. assume an alpha of .05. what is the research hypothesis in this test?

Which statement about perfect cubes is true

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.

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)