1. Math
  2. Statistics And Probability
  3. please show you steps and add some exppanation if possible...

Question: please show you steps and add some exppanation if possible...

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5. Let X associated probabilities P(X = x)-/(2) be a discrete random variable. The following table shows its possible values r and the () 2/8 3/8 2/8 1/8 (a) Verify that f(x) is a probability mass function. (b) Calculate P(X < 1), P(X s 1), and P(X0.5 or Xx> 2) (c) Find the cumulative distribution function of X. (d) Compute the mean and the variance of X

please show you steps, and add some exppanation if possible. Thank you!

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