Mathematics · Probability
एक बैग में 6 लाल, 5 नीली और 4 हरी गेंदें हैं। बिना प्रतिस्थापन (without replacement) के यादृच्छिक रूप से एक-एक करके दो गेंदें निकाली जाती हैं। दोनों निकाली गई गेंदों के नीली होने की प्रायिकता ज्ञात कीजिए।
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