Question: The probability distribution for the random variable X is given in the following table: x 1 2 3 4 5 6 7 8 9 p(x)

The probability distribution for the random variable X is given in the following table:

x 1 2 3 4 5 6 7 8 9

p(x) 0.10 0.30 0.05 0.02 0.11 0.21 0.03 0.08 ?

  1. a)Find p(9). (0.25 marks)
  2. b)Find P(X < 3) and P(X 3). (0.5 marks)
  3. c)Find P(1 X 9). (0.25 marks)
  4. d)Find P(X = 25) and P(X = -3). (1 mark)

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