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According to a genetics​ theory, a certain cross of guinea pigs will result in​ red, black,...

According to a genetics​ theory, a certain cross of guinea pigs will result in​ red, black, and white offspring in the ratio 8​:5​:5 Find the probability that among 9 ​offspring, 6 will be​ red, 2 black and 1 white.

The probability is____?

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