প্রদত্ত যে x ~ B ( n = 10, p) যদি E(x) = 8 হয়, তবে P এর মান

কত?

  1. 0.6
  2. 0.7
  3. 0.8
  4. 0.4

Answer (Detailed Solution Below)

Option 3 : 0.8
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

Download Solution PDF

ধারণা:

প্রত্যাশিত গড়:

E(x) = np

গণনা:

প্রদত্ত, x ~ B ( n = 10, p)

E(x) = 8

আমরা জানি যে, E(x) = np

⇒ np = 8

⇒(10)p = 8

⇒ p =

⇒ p = 0.8

প্রদত্ত যে x ~ B ( n = 10, p) যদি E(x) = 8 হয়, তবে P এর মান 0.8

Latest NDA Updates

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. 

More Binomial Distribution Questions

More Probability Questions

Hot Links: teen patti gold new version teen patti fun teen patti party