e to the power of beta equals a ratio of two quantities. The numerator and the denominator quantities are themselves ratios. The numerator is the ratio of the function p of (1 plus x sub 1, x sub 2 1, and so on up through x sub 2 k) over 1 minus the function p of (1 plus x sub 1, x sub 2 1, and so on up through x sub 2 k. The denominator is the ratio of the function p of (x sub 1, x sub 2 1, and so on up through x sub 2 k) over 1 minus the function p of (x sub 1, x sub 2 1, and so on up through x sub 2 k.

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