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A couple has already two daughters and they want another child. They are hoping to get a son this time.?
A couple has already two daughters and they want another child. They are hoping to get a son this time. What is the probability of them getting a son this time?
E.Unable to determine.
- RobertLv 62 months ago
These are the relevant details, from research on the Internet:
* Proportion of male to female sperm cells in the sperm fluid, are almost equal:
* A woman can preserve sperm inside her, for between 3 to 5 days:
* Female sperm live longer than male sperm inside the woman:
* Male sperm (may) swim faster than female sperm
[Disputed: Male sperm swim faster than female sperm: ]
Taking above into consideration:
What happens if, upon sexual intercourse, a woman has an egg ready?
Likelihood is a boy, that is: IF male sperm do swim faster than female sperm !
What happens if upon sexual intercourse, a woman does not have an egg ready, but preserves the sperm, and then her egg becomes ready within 3 to 5 days?
Likelihood (increasing as this time goes by) is a girl, because the female sperm live longer than the male sperm.
I hope this helps.
Robert.Source(s): Please click the sources given above, or if any are not clickable you can copy their address to your web browser's address bar.
- RichardLv 72 months ago
F 50% : A child's sex is determined randomly by the sperm. Each conception is a mutually exclusive event. History does not determine the specific sperm that fertilizes the egg.
- Anonymous2 months ago
move to homework help. damn cheater