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In a binomial distribution, the mean is 4 and variance is 3. Then its mode is:

  1. 5
  2. 6
  3. 4
  4. None of these

Answer (Detailed Solution Below)

Option 3 : 4
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Detailed Solution

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In Binomial distribution, Mean = np, Variance = npq and the mode is r if for x = r, the probability function p(x) is maximum.

Given np = 4 and npq = 3

Also,

Now,

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