GATE DA 2024 Mathematics Question explanation | Basic Probability

[@Ganesh-vd5yj]

Sir, i think he didnt ask us for order ,, answer would be 3/4,,which is actually in gate exam,,here u gave option as 1/4

[@MeritSeekers]

As given, Probability of a boy or girl being born is 1/2. Also it is asked that what is the probability of having 2 girls and 1 boy for a family having ONLY 3 children. Therefore, We have a combination of = B*G*G + G*B*G + G*G*B = 1/2 * 1/2 * 1/2 + 1/2 * 1/2 * 1/2 + 1/2 * 1/2 * 1/2 = 3/8.

[@akshatbhatt5384]

Why we have 3 combinations?

[@blessed_Shashi]

Sir you're the best ❤ teacher in my life with lots of regards Shashi saket🙏

[@MeritSeekers]

Thanku so much for lovely words.

[@batuklal]

sir are u teaching mathematics in da paid course??all mathematics?

[@Ganesh-vd5yj]

Okay got it