SOLUTION: Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included a

Question 1116469: Blue Nile University recently conducted a survey of undergraduate students in order to
gather information about the usage of the library. The population for this study included
all 4000 undergraduate students enrolled in the university. The library officers are
interested in increasing usage, particularly among females (F) and seniors (S) at the
university. Of the 4000 students, 800 students are seniors, 1800 students are females and
450 of the 1800 females are seniors.
Required:
� What is the probability that a student selected at random is a senior given that the
selected student is female?
� What is the probability that a student selected at random is female given that the
selected student is senior

Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
.

� What is the probability that a student selected at random is a senior given that the selected student is female?


      =  = 0.25 = 25%.       <<<---=== DENOMINATOR = #of females;  NUMERATOR =  #intersection(senior,females)


� What is the probability that a student selected at random is female given that the selected student is senior?


      =  = 0.5625 = 56.25%   <<<---=== DENOMINATOR = #of seniors; NUMERATOR = #of senior females.

RELATED QUESTIONS
Blue Nile University recently conducted a survey of undergraduate students in order to... (answered by Boreal)

I need help on A through C its confusing. In order to determine how students from... (answered by Boreal)

Problem Two: In designing a new dormitory, a... (answered by stanbon)

To gather data involving their classmates, 34 fourth graders each filled out a personal... (answered by jorel555,Edwin McCravy)

1. 49% of undergraduate students at unversity are women. If there are 4116 female... (answered by macston)

An article in the San Jose Mercury News stated that students in the California state... (answered by Boreal)

The University Marketing Head has conducted a pre-survey of selected students. Of 4,860 (answered by ikleyn)

Ned Conducted a survey with his classmates to find their preferences about three kinds of (answered by rfer)