Một con thỏ di chuyển từ địa điể...
Câu hỏi: Một con thỏ di chuyển từ địa điểm A đến địa điểm B bằng cách qua các điểm nút (trong lưới cho ở hình vẽ) thì chỉ di chuyển sang phải hoặc đi lên (mỗi cách di chuyển như vậy xem là 1 cách đi). Biết nếu thỏ di chuyển đến nút C thì bị cáo ăn thịt, tính xác suất để thỏ đến được vị trí B.![](data:image/png;base64,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)
A \(\frac{1}{2}\)
B \(\frac{2}{3}\)
C \(\frac{3}{4}\)
D \(\frac{5}{12}\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán trường THPT Chuyên Lam Sơn - Thanh Hóa - lần 1 - năm 2018 (có lời giải chi tiết)