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

Question

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

p is ...........

(a) 0.6

(b) 0.7

(c) 0.8

(d) 0.4

Solution

(c)

Since X ~ B(n = 10, p),
E(x) = np
10p = 8
p = 0.8

Is there an error in this question or solution?

APPEARS IN

 2015-2016 (March) (with solutions)
Question 4.1.3 | 2 marks

Video TutorialsVIEW ALL [1]

Reference Material

Solution for question: Given that X ~ B(n= 10, p). If E(X) = 8 then the value of concept: Bernoulli Trials and Binomial Distribution. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Arts, HSC Science (General)
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