9
QuizMultiple Choice
Probability and Two-Way Tables
Question 9 of 10 • ! MCHS (CR25) - GEOMETRY
A 5-column table has 4 rows. The first column has entries A, B, C, Total. The second column is labeled X with entries 45, 20, 25, 90. The third column is labeled Y with entries 30, 10, 35, 75. The fourth column is labeled Z with entries 60, 25, 50, 135. The fifth column is labeled Total with entries 135, 55 110, 300.
Answer
A
C and Y are independent events because P(C∣Y) = P(Y).B
C and Y are independent events because P(C∣Y) = P(C).C
C and Y are not independent events because P(C∣Y) ≠ P(Y).D
C and Y are not independent events because P(C∣Y) ≠ P(C).