Question
A researcher is randomly selecting a sample for his experiment from a group of 40 high school students, 40 college students, and 10 graduate students.
A researcher is randomly selecting a sample for his experiment from a group of 40 high school students, 40 college students, and 10 graduate students. Each group is equally divided between males and females. State probabilities in %.
- What is the probability of selecting a college student? (2 pts)
- What is the probability of selecting a graduate student? (2 pts)
- What is the probability of selecting a male high school student? (2 pts)
- If the researcher selects a stratified random sample of n = 20, how many will be high school students in this sample? (3 pts)
- What is the probability of selecting a female college student to be part of the small random sample of 20? (3 pts)
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Pell And Pell–Lucas Numbers With Applications
Authors: Thomas Koshy
1st Edition
1461484898, 9781461484899
