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AP EAMCET · Maths · Probability

A random variable \(X\) has the following probability distribution


The variance of this random variable is

  1. A 0
  2. B \(\frac{5}{24}\)
  3. C \(\frac{3}{24}\)
  4. D \(\frac{7}{4}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{7}{4}\)

Step-by-step Solution

Detailed explanation

We have, We know that sum of probability \(=1\).…