Skip to content / Đến nội dung
ThichHocToan.com

AMO 2021 - Secondary 3 (Grade 9) Question 3

AMO · AMO 2021 - Secondary 3 (Grade 9)

Question 3

A circular table has diameter 12 feet. Two people choose seats randomly on its circumference. What is the probability that they are at least 6 feet apart? Clarification: positions are independent and uniform, and distance means straight-line distance.

Question illustration
  1. $1/2$
  2. $1/3$
  3. $2/3$
  4. $1/4$
  5. $3/4$