Which of the following can not be valid assignment of probabilities for outcomes of sample Space `S = {omega_(1), omega_(2), omega_(3), omega_(4), omega_(5), omega_(6), omega_(7)}`
(a) `0.1` `0.01` `0.05` `0.03` `0.01` `0.2` `0.6`
(b) `1/7` `1/7` `1/7` `1/7` `1/7` `1/7` `1/7`
(c) `0.1` `0.2` `0.3` `0.4` `0.5` ` 0.6` `0.7`
(d) `-0.1` `0.2` `0.3` `0.4` `-0.2` `0.1` `0.3`
(e) `1/14` `2/14` `3/14` `4/14` `5/14` `6/14` `15/14`

Answer

(a) Yes, (b) Yes, (c) No, (d) No, (e) No.