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Choose the correct alternative: A probability density function may be represented by

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प्रश्न

Choose the correct alternative:

A probability density function may be represented by

पर्याय

  • Table

  • Graph

  • Mathematical equation

  • Both (b) and (c)

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उत्तर

Both (b) and (c)

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Mathematical Expectation
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Random Variable and Mathematical expectation - Exercise 6.3 [पृष्ठ १४२]

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सामाचीर कलवी Business Mathematics and Statistics [English] Class 12 TN Board
पाठ 6 Random Variable and Mathematical expectation
Exercise 6.3 | Q 11 | पृष्ठ १४२

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For the random variable X with the given probability mass function as below, find the mean and variance.

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`f(x) = {{:(1/30, 0 < x < 30),(0, "elsewhere"):}`
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Given E(X) = 5 and E(Y) = – 2, then E(X – Y) is


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`int_(-oo)^oo` f(x) dx is always equal to


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