Statistics

A couple has 2 kids where they know that one's a boy, what's the probability of the other kids being a boy?

Data Scientist

Amazon

Rippling

Autodesk

Arm

eToro

Centrica

Did you come across this question in an interview?

  • A couple has 2 kids where they know that one's a boy, what's the probability of the other kids being a boy?
  • Imagine a couple with two children, where one of them is a boy. Can you calculate the probability of the other child being a boy?
  • Let's assume a family has two kids; you are told that one of them is a boy. What is the probability that the other one is a boy too?
  • A couple has two children. Suppose you know that one child is a boy. What is the probability that the other child is also a boy?
  • If a couple has two kids, and they know one of them is a boy, what is the probability for the other child to be a boy?
  • You have a scenario where a couple has two children and one of them is a boy. Based on this information alone, can you determine the probability of the other child being a boy?
  • Consider a family with two children, where one of them is a boy. How would you calculate the probability of the other child being a boy?
  • Let's say a family has two kids; you know that one of them is a boy. What is the probability that the other child is also a boy?
  • Imagine a couple has two children, and you're told that one child is a boy. What are the chances that the other child is a boy too?
  • The family has two kids, and you know that one of them is a boy. What is the likelihood that the other child is also a boy?
  • You have a family with two children, one of which is a boy. What is the likelihood that the other child is also a boy?

Interview question asked to Data Scientists interviewing at Swiggy, Noom, Centrica and others: A couple has 2 kids where they know that one's a boy, what's the probability of the other kids being a boy?.