Probability details in math problems of senior one. - Training Enrollment Network

Probability details in math problems of senior one.

(1) Take it once, that is, take the yellow ball, the probability is: 2/5;

(2) There are two situations, two red balls or three red balls, and the probability P=3/5*3/5=9/25.

I hope my answer can help you, from Baidu know team. If you are satisfied, please adopt ~O(∩_∩)O~

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