Question
Download Solution PDFA, B এবং C তিনটি পারস্পরিক একচেটিয়া এবং সম্পূর্ণ ঘটনা। P(A) = 2P(B) = 6P(C)। P(B) নির্ণয় করুন।
Answer (Detailed Solution Below)
Detailed Solution
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P(A) = 2P(B) = 6P(C)
ধারণা
ঘটনা যখন পারস্পরিক একচেটিয়া এবং সম্পূর্ণ হয়
P(A) + P(B) + P(C) = 1
গণনা
ধরা যাক, P(A) হল k
⇒ P(B) = k/2
⇒ P(C) = k/6
তাই ধারণা অনুযায়ী
⇒ k + k/2 + k/6 = 1
⇒ 10k/6 = 1
⇒ k = 3/5
∴ P(B) হল k/2 = 3/(5 × 2) = 0.3Last updated on Jul 19, 2025
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