A table is shown below that shows some of the individual and/or cumulative probabilities for a discrete random variable which has a possible values at all integers from 0-20. a) fill in the missing...

A table is shown below that shows some of the individual and/or cumulative probabilities for a discrete random variable which has a possible values at all integers from 0-20.

a) fill in the missing values that you can find for the table from the given information.

FInd the probability that X is ...

b) ...exactly 3

c) ...exactly 18