यदि राम ने 4 सफेद गेंदों और 6 काली गेंदों वाले बैग से एक गेंद निकाली, तो सफेद गेंद मिलने की क्या प्रायिकता है?

  1. 2/5
  2. 3/5
  3. 0
  4. 1

Answer (Detailed Solution Below)

Option 1 : 2/5
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अवधारणा:

यदि S एक प्रतिचयन स्थान है और E एक अनुकूल घटना है तो E की प्रायिकता निम्न द्वारा दी गई है:

\(\rm P(E)=\frac{n(E)}{n(S)}\)

गणना:

बैग में कुल गेंद = 4 + 6 = 10 गेंद

एक काली गेंद को 10 संभावित परिणामों में से 4 तरीकों से निकाला जा सकता है।

सफेद गेंद होने की प्रायिकता = P (W) = \( \frac{4}{{10}}\)

= \(\frac 2 5\)

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