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Question

If the mean of binomial distribution is μ, then the variance lies in the interval

A
[μ,0]
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B
[0,μ2]
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C
[0,μ]
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D
[0,μ]
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Solution

The correct option is C [0,μ]
Given, np=μ
we know, variance =npq=μq
and 0q1
Hence, range of variance is [0,μ].

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