(Solution) - Of 20 rats in a cage 12 are males and -(2025 Original AI-Free Solution)

Discipline:

Type of Paper:

Academic Level: Undergrad. (yrs 3-4)

Paper Format: APA

Pages: 5 Words: 1375

Download Solution ($11.00) Write My Paper Afresh

Buy For $11.00

Paper Details

Of 20 rats in a cage, 12 are males and 9 are infected with a virus that causes hemorrhagic fever. Of the 12 male rats, 7 are infected with the virus. One rat is randomly selected from the cage.
(a) If the selected rat is found to be infected, what is the probability that it is a female?
(b) If the selected rat is found to be a male, what is the probability that it is infected?
(c) Are the events "the selected rat is infected" and "the selected rat is male" independent? Why or why not?