HSC Science (General) 12th Board ExamMaharashtra State Board
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Given that X~ B(n = 10, p), if E(X) = 8. find the value of p. - HSC Science (General) 12th Board Exam - Mathematics and Statistics

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Question

Given that X~ B(n = 10, p), if E(X) = 8. find the value of p.

Solution

 

`X ~ B(n =10, p)`

`therefore E(X)=np`

`8=10p`

`p=0.8=4/5`

  Is there an error in this question or solution?

APPEARS IN

 2013-2014 (March) (with solutions)
Question 4.2.5 | 2.00 marks
Solution Given that X~ B(n = 10, p), if E(X) = 8. find the value of p. Concept: Statistics - Bivariate Frequency Distribution.
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