Question
Download Solution PDFदिया गया है कि x ~ B ( n = 10, p) है, यदि E(x) = 8 है, तो P का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
अनुमानित माध्य:
E(x) = np
गणना:
दिया गया है कि x ~ B ( n = 10, p)
E(x) = 8
हम जानते हैं कि E(x) = np
⇒ np = 8
⇒(10)p = 8
⇒ p = \(\rm\dfrac {8}{10}\)
⇒ p = 0.8
दिया गया है कि x ~ B ( n = 10, p) है, यदि E(x) = 8 है, तो P का मान 0.8 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.