SOLUTION: Suppose that, for students who are enrolled in college algebra, 74 percent are freshmen, 45 percent are female, and 29 percent are female and are freshmen. Your answers below shoul

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose that, for students who are enrolled in college algebra, 74 percent are freshmen, 45 percent are female, and 29 percent are female and are freshmen. Your answers below shoul      Log On


   

Question 854837: Suppose that, for students who are enrolled in college algebra, 74 percent are freshmen, 45 percent are female, and 29 percent are female and are freshmen. Your answers below should be entered as decimals and rounded to three decimal places.
Two students will be independently selected at random. What is the probability that both of the selected students will be female?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

p(female) = .45,   n = 2

Two students will be independently selected at random

P(x = 2) = .45^2

Using P+%28x%29=+highlight_green%28nCx%29%28p%5Ex%29%28q%29%5E%28n-x%29+ 

   P(2) = 2C2 (.45)^2(.55)^0