Question
Download Solution PDFएक क्रिकेट मैच में, एक बल्लेबाज उसके द्वारा खेली गई 60 गेंदों में 8 बार छक्का (छ:) मारता है। इस बात की क्या प्रायिकता है कि उसके द्वारा खेली गई किसी गेंद में वह छक्का (छः) न मारे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त सूत्र:
घटना घटने की प्रायिकता :
P(E) =
जहां,
n(E) = अनुकूल परिणामों की संख्या
n(S) = संभावित परिणामों की संख्या
गणना:
एक बल्लेबाज तब 60 गेंदों में से 8 बार छक्के लगाता है
छक्के लगने की प्रायिकता
P(A) =
वह एक छक्का न मारने की प्रायिकता है
P(A̅) = 1 -
⇒ P(A̅) =
∴ आवश्यक प्रायिकता
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