Question
Download Solution PDFकिसी उद्योग में एक बीमारी की घटना इस प्रकार है कि श्रमिकों को इससे पीड़ित होने की 20% संभावना है। यादृच्छिक रूप से चुने गए 6 श्रमिकों में से, 4 या अधिक श्रमिकों के बीमारी से पीड़ित होने की प्रायिकता क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFव्याख्या:
दिया गया है
n = 6
⇒ p = P (बीमारी से पीड़ित) = 20/100 = 1/5
⇒ q = P (बीमारी से पीड़ित नहीं) = 1 - 1/5 = 4/5
⇒ p(x ≥ 4) = p(x = 4) + p(x = 5) + p(x = 6)
⇒
=
=
∴ विकल्प (a) सही है
Last updated on May 30, 2025
->UPSC has released UPSC NDA 2 Notification on 28th May 2025 announcing the NDA 2 vacancies.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced for cycle 2. The written examination will be held on 14th September 2025.
-> Earlier, the UPSC NDA 1 Exam Result has been released on the official website.
-> 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.