4
QuizMultiple Choice
Probability of Compound Events
Question 4 of 10 • FL-1205040-M/J Grade 7 Mathematics A-CR
A drawer of loose socks contains 2 red socks, 2 green socks, and 6 white socks. Which best describes how to determine the probability of pulling out a white sock, not replacing it, and pulling out another white sock?
Answer
A
The probability that the first sock is white is and that the second sock is white is , so the probability of choosing a pair of white socks is .
B
The probability that the first sock is white is and that the second sock is white is , so the probability of choosing a pair of white socks is .
C
The probability that the first sock is white is and that the second sock is white is , so the probability of choosing a pair of white socks is .
D
The probability that the first sock is white is and that the second sock is white is , so the probability of choosing a pair of white socks is .