- #1
Suraj M
Gold Member
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Homework Statement
Here is the question as it is.
A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind?
(1) 0.25
(2) 0.5
(3) 1
(4) Nil
Homework Equations
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The Attempt at a Solution
Im sorry, but i hope the images will do,
Ignore the zero I've written, that branch is anyway not needed..
Is this correct?
Just wanted to check, they haven't mentioned anything else, so have to consider everything, right?
But my teacher says that we don't need to consider all these cases for questions like these.
please help me out
thank you
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