
It is (slightly) more likely to have a male child than a female: the hypotheses on the causes
Generally we think that the probability that a child will be born male or female is the same: the classic example of the coin, to understand each other. In fact, the data tell another story: Every hundred girls, about 105 boys are born. Means that The probability is not 50 and 50but slightly unbalanced in favor of male biological sex ...








