ProbobilityNewbie
New member
- Joined
- Oct 19, 2021
- Messages
- 2
A father has a crooked gene. Its 50% chance for child to inherit it (eighter he/she inherits it from father or he inherits it from mother who has a normal gene).
A child has a sister. Sister got the results back and she is negative on the bad gene - she doesent have it.
What does that mean for the child? Is the probobility the child has a crooked gene 25% or is it still 50%??
Also one more similar question of the same type of problem I think: if one plays a roulette (and lets omitt the green space), he has a 50% chance to land on red.
He plays 10 rounds and he landed on 10 straight black fields.
Is the probobility he will land on red with his 11th throw 99,95% (1 - (1/2 on the power of 11)) or is it still 50% because I have to look at it as the brand new throw?
A child has a sister. Sister got the results back and she is negative on the bad gene - she doesent have it.
What does that mean for the child? Is the probobility the child has a crooked gene 25% or is it still 50%??
Also one more similar question of the same type of problem I think: if one plays a roulette (and lets omitt the green space), he has a 50% chance to land on red.
He plays 10 rounds and he landed on 10 straight black fields.
Is the probobility he will land on red with his 11th throw 99,95% (1 - (1/2 on the power of 11)) or is it still 50% because I have to look at it as the brand new throw?