HSC - উচ্চতর গণিত ২য় পত্র→অধ্যায়-১০ঃ বিস্তার পরিমাপ ও সম্ভাবনা→All Topics

$\text { From the set of all families with two children, a child is selected at random and is found to be a girl. The }$$\text { probability that the sccond child of this family is also a girl is- }$