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Discrete random variables — Question 365

Original QCE Vault practice · 4 marks

Q365 · Practice questionTechnology-freeComplex familiar4 marks

QUESTION 365 (4 marks)

X∼Bin⁡(n,p)X\sim\operatorname{Bin}(n,p) has mean 66 and variance 9/29/2.
a)
Determine nn and pp.
[3 marks]
b)
Determine P(X=1)P(X=1) exactly.
[1 mark]
Question linkSyllabus coverage

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