Probablity calculation
No.12241739 ViewReplyOriginalReport
Quoted By: >>12241746 >>12241769 >>12241778 >>12243336 >>12243654
>Alice has two boyfriends Alfred and Billy.
>During her menstrual cycle of 28 days, Alice has sex with both of them.
>She has sex with Alfred on ten days, but only once per day.
>In contrast, she has sex with Billy ten times, but only on one day.
>During days 10–11 there is a 10% chance of fertilization
>During days 12–14 there is a 33% chance of fertilization
>After the cycle, what are the odds of Alice being pregnant, and who is more likely be the father?
>During her menstrual cycle of 28 days, Alice has sex with both of them.
>She has sex with Alfred on ten days, but only once per day.
>In contrast, she has sex with Billy ten times, but only on one day.
>During days 10–11 there is a 10% chance of fertilization
>During days 12–14 there is a 33% chance of fertilization
>After the cycle, what are the odds of Alice being pregnant, and who is more likely be the father?
