SOLUTION: I know this should be easy, but arrrgghhh.....
A researcher is randomly selecting a sample for his experiment from a group of 30 highschool students, 20 college students and 10
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-> SOLUTION: I know this should be easy, but arrrgghhh.....
A researcher is randomly selecting a sample for his experiment from a group of 30 highschool students, 20 college students and 10
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Question 889266: I know this should be easy, but arrrgghhh.....
A researcher is randomly selecting a sample for his experiment from a group of 30 highschool students, 20 college students and 10 grad students. 60% of each group is female and 40% is male.
If a researcher selects a stratified random sample of n=10, how many will be highschool students? Among the highschool students selected in this random sample of 10, what is the probability of selecting a female? Answer by richwmiller(17219) (Show Source):
