14.Probability
easy

एक डिब्बे में $1$ लाल और एक जैसी $3$ सफ़ेद गेंद रखी गई हैं। दो गेंद उत्तरोतर (in succession) बिना प्रतिस्थापित किए यादृच्चया निकाली जाती है। इस परीक्षण का प्रतिदर्श समष्टि ज्ञात कीजिए।

Option A
Option B
Option C
Option D

Solution

It is given that the box contains $1$ red ball and $3$ identical white balls. Let us denote the red ball with $R$ and a while ball with $W$.

When two balls are drawn at random in succession without replacement, the sample space is given by

$S =\{ RW , WR , WW \}$

Standard 11
Mathematics

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