The age distribution of a population is shown. find the probability of each event. 65+: 13% 55–64: 12% 45–54: 15% 35–44: 13% 25–34: 13% 15–24: 14% 5–14: 13% age distribution under 5: 7% a. a person chosen at random is at least 15 years old. b. a person chosen at random is from 25 to 44 years old.

An equation where variables are used to represent known values—function notation true or false

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.