Question
Download Solution PDFIn a family of three children, what is probability that the third child is a girl given that the other two are also girls?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula
Probability = Favourable outcome/total outcome
Calculation
Family of 3 children = G, G, G whereas G = Girls
We can select girl as 3C1 =
No of possible ways to select the girls be
⇒ Possible outcome =
Total way to select girls =3! = 3 × 2
⇒ Total outcome 6
Probability = Favourable outcome/total outcome
⇒ Probability =
∴ The probability that the third child is a girl given that the other two are also girls is 1/4
Last updated on Jul 17, 2025
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> HSSC CET Admit Card 2025 has been released @hssc.gov.in
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.