Question
Download Solution PDFदो घटना A और B में से कोई एक होनी चाहिए। यदि P (A) = (2/3) P (B) है, तो B के अनुकूल में विषम क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
माना कि एक घटना A है, तो A के होने की प्रायिकता P (A) और A के नहीं होने की प्रायिकता P (Ac) है।
गणना:
दिया गया है: दो घटना A और B में से कोई एक घटना होनी चाहिए,
इसलिए: P (A) + P (B) = 1
⇒ (2/3) P (B) + P (B) = 1
∴ P (B) = 3/5
अब,
Last updated on Jun 18, 2025
->UPSC has extended the UPSC NDA 2 Registration Date till 20th June 2025.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced. The written examination will be held on 14th September 2025.
-> The selection process for the NDA exam includes a Written Exam and SSB Interview.
-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100.
-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential.