Question

is this a valid distribution for a discrete random variable????

Answer 1

0.21, 0.16, -0.08, 0.05, 0.04, 0.03, -0.24, 0.12, 0.21, 0.18, 0.32

Answer 2

@ybarrap is it allowed to have negative numbers?? It adds up to one so I would say that this is it but I don't know if ur allowed to have negative numbers!!!!

Answer 3

No negative numbers allowed. Probabilities can not be negative.

Answer 4

so ITS NOT???? EVEN THOUGH IT ADDS UP TO ONE??

Answer 5

no right?

Answer 6

Probabilities are number of occurrences / possible occurrences. Can you think of a case where this would ever be negative?

Answer 7

no

Answer 8

So negative is never allowed.

Answer 9

ok what abt this one:
0.18, 0.12, 0.03, 0.08, 0.21, 0.04, 0.05, 0.16, 0.13

Answer 10

yes right

Answer 11

If they sum to one, it's possible.

Answer 12

just checked. They sum to 1.

Answer 13

ok