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Discrete random variables — Question 123

Original QCE Vault practice · 1 mark

Q123 · Practice questionTechnology-freeComplex familiar1 mark

QUESTION 123

A binomial random variable XX has mean 33 and variance 2.12.1. Determine the number of trials nn.
(A)
77
(B)
88
(C)
1010
(D)
1414
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