1) Determine whether the following are valid probability
distributions or not. Type “VALID” if it is valid, or type
“INVALID” if it is not a valid probability distributions.
(a)
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
answer:
(b)
,
where
answer:
(c)
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
answer:















