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Explicate probability using discrete distribution

describe the probability distribution for the random variable x follows

X

f(x)

20

0.2

25

0.15

30

0.25

35

0.4

1) Is this probability distribution valid?  describe

2) What is the probability that x = 30?

3) What is the probability that x is less than or equal to 25?

4) What is the probability that x is greater than 30?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920308

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