#### 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

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#### Solution

(c)

Since X ~ B(n = 10, p),

E(x) = np

10p = 8

p = 0.8

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#### 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)