Question

Which of the following tables shows a valid probability density function? Select all correct answers.

Select all that apply:

• x	P(X=x)
  0	14
  1	12
  2	14

• x	P(X=x)
  0	12
  1	18
  2	14
  3	18

• x	P(X=x)
  0	0.0
  1	0.02
  2	0.16
  3	0.0
  4	1.07

• x	P(X=x)
  0	0.89
  1	0.09
  2	0.0
  3	0.02
  4	0.0

• x	P(X=x)
  0	35
  1	25
  2	−110
  3	110

• x	P(X=x)
  0	110
  1	110
  2	310
  3	310

Answer 1

This table is valid probability density function

• x	P(X=x)
  0	0.89
  1	0.09
  2	0.0
  3	0.02
  4	0.0