Elizabeth brought a box of doughnuts to share. there are two-dozen (24) doughnuts in the box, all identical in size, shape and color. five are jelly-filled, 9 are lemon filled, and 11 are custard-filled. you randomly select one doughnut, eat it, and select another doughnut. find the probability of selecting two custard-filled doughnuts in a row.

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

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 graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)