In a recent national survey, 16,262 students in 151 schools completed questionnaires about physical activity. male students (55.5%) were significantly more likely than female students (42.3%) to have played on sports teams run by their school during the 12 months preceding the survey. source: national centers for disease control and prevention, 1997 youth risk behavior surveillance system. check the accuracy of the statement "significantly more likely," assuming that there were equal numbers of male and female students in this survey and that the sample is equivalent to a simple random sample

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.

The reflexive property of congruence lets you say that ∠pqr ≅

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.