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If we calculate the
probability of three females (FFF) should be: 0.55 x 0.55 x 0.55
=0.1664 = 16.64%.
If to 1 (total of
combinations), we subtract 0.16644, shall obtain the probability of
al least 1 male in the next three new born = 1-0.1664 = 0.8336 =
83.36%.
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