1 votes 1 votes In a housing society, half of the families have a single child per family, while the remaining half have two children per family. The probability that a child picked at random, has a sibling is ________. Probability and Statistics gate2014-ec-1 numerical-answers probability-and-statistics probability + – Milicevic3306 asked Mar 25, 2018 • retagged Mar 3, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 732 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Let E1 = one children family E2 = two children family and A = picking a child then by Baye’s theorem, required probability is P(E2/A) = (1/2x)/(1/2 . x/2 + 1/2 .x) = 2/3 = 0.667 here x is number of families. Gyanu answered Oct 5, 2020 Gyanu 140 points comment Share ask related question Follow See all 0 reply Please log in or register to add a comment.