Morgan Stanley Interview Question: if you have 3 children one is... | Glassdoor

Interview Question

Quantitative Analyst Interview New York, NY

if you have 3 children one is boy and one is girl and

  another is unknown, you choose one from them what is the probability that that one is a boy.
Answer

Interview Answer

5 Answers

0

monty hall problem

honeyoak on Feb 19, 2011
2

1/2

Anonymous on Oct 6, 2011
0

1/2

xeesus on Aug 14, 2012
2

p(3rd == BOY) * 2/3 + P(3rd == GIRL) * 1/3 = (1/2) * (2/3) + (1/2) * (1/3) = 1/2

Anonymous on May 28, 2015
0

2/3

Anonymous on Nov 12, 2018

Add Answers or Comments

To comment on this, Sign In or Sign Up.