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Competitive Stats
Q20Section DA (Data Science and Artificial Intelligence (Q11–Q65))20 of 65

Probability all parts of a random composition are positive

Suppose that a computer program provides a non-negative and integer-valued random solution to the equation n1+n2+n3+n4=20n_1 + n_2 + n_3 + n_4 = 20. Which of the following is the probability that all of n1,n2,n3,n4n_1, n_2, n_3, n_4 in the provided solution are positive?

Options

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