what is the conditional probability that a family with two children has 2 boys given that they have at least one boy
Answers
Answered by
0
s={(b,b,b),(b,b,g),(b,g,b),(g,b,b),(g,g,g),(g,g,b),(g,b,g),(b,g,g)}
n{s}=8
let A be the event that getting atleast one boy
A={(b,b,b),(b,b,g),(b,g,b),(g,b,b),(g,g,b),(g,b,g),(b,g,g)}
n{a}=7
p{A}=n{a}\n{s}
p(A)=7/8
n{s}=8
let A be the event that getting atleast one boy
A={(b,b,b),(b,b,g),(b,g,b),(g,b,b),(g,g,b),(g,b,g),(b,g,g)}
n{a}=7
p{A}=n{a}\n{s}
p(A)=7/8
Similar questions