Hộp I có 10 sản phẩm tốt, 2 hỏng; hộp II có 20 sản phẩm tốt, 4 hỏng. Chọn ngẫu nhiên một hộp, rồi từ đó lấy ta một sản phẩm.
1 answer:
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Answer:
<h2>The answer is </h2><h2>B. 1/12</h2>Step-by-step explanation:
step one:
From the problem state, we can actually conclude that Jamie wants to share the half sheet of cake among her 6 friends
step two:
we can express this problem mathematically as
we can inverse the denominator and use a multiplication sign instead
multiplying both denominators we have
The answer is B 1/12