it one out 8 1/8 bc
first child 1/2
second child 1/2
third child 1/2
1/2 x 1/2 x 1/2 = 1/8
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Assuming that the probability of having a baby girl is 1/2 and that of having a baby boy is 1/2, the probability of having 3 baby girls in a row is (1/2)(1/2)(1/2)=1/8.
The probability of drawing 3 hearts in a row in a 52 card deck is 13/52 * 12/51 * 11/50 = 1716/132600 = 0.01294, or approximately 1 chance in 77.
1 out of 100
1:24 one in 24 rolls
1out of 3