In a recent survey of college students, students where asked about their use of the Internet for research. The information was displayed in the table below. Let A be the event that the student was a business major. Let B be the event that the student uses the Internet for research.
Use Internet for research Donít Use Internet
Business Students 0.38 0.22
Education Students 0.25 0.15
1)Which of the following is true?
A) P(A | B) < P(B | A).
B) P(A | ) > P(B | ).
C) P(A B) = 0.85.
D) Events A and B are statistically independent.
2)Which of the following is true?
A) P(A | B) = 0.81
B) P(A ) = 0.16
C) Events A and B are statistically independent.
D) D) P( | ) = 0.375
Thanks in advance