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Advanced Placement (AP), 22.07.2021 06:20 aaron2113

.Có 2 xạ thủ loại 1 và 8 xạ thủ loại 2, xác suất bắn trúng đích của các xạ thủ theo thứ tự là 0,9 và 0,8 a. Lấy ngẫu nhiên một xạ thủ và cho xạ thủ đó bắn một viên đạn. Tính xác suất bắn trúng đích

b. Lấy ngẫu nhiên hai xạ thủ và mỗi người bắn một viên đạn thì khả năng hai viên đạn cùng trúng đích là bao nhiêu?.

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.Có 2 xạ thủ loại 1 và 8 xạ thủ loại 2, xác suất bắn trúng đích của các xạ thủ theo thứ tự là 0,9 và...

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