Question
Download Solution PDFA, B और C तीन परस्पर अनन्य और संपूर्ण घटनाएं हैं। P(A) = 2P(B) = 6P(C) है। P(B) का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है
P(A) = 2P(B) = 6P(C)
अवधारणा
जब घटनाएँ परस्पर अनन्य और संपूर्ण हैं
P(A) + P(B) + P(C) = 1
गणना
माना P(A) का मान k है
⇒ P(B) = k/2
⇒ P(C) = k/6
इसलिए अवधारणा के अनुसार
⇒ k + k/2 + k/6 = 1
⇒ 10k/6 = 1
⇒ k = 3/5
∴ P(B) का मान k/2 = 3/(5 × 2) = 0.3 है।Last updated on Jun 13, 2025
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