Mathematics · Probability
एक थैले में 3 लाल गेंदें और 4 हरी गेंदें हैं। यदि हम बेतरतीब ढंग से (रैंडमली) एक गेंद का चयन करते हैं, तो उसके हरे होने की प्रायिकता क्या है?
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