1.

A randomvariable X has the following probability distribution. X 0 1 2 3 4 5 6 7 P (X) 0 k 2k 2k 3k k2 2k2 7k2 + k Determine (i) k(ii) P(X < 3)(iii) P(X > 6)(iv) P(0 < X < 3)

Answer»

A random
variable X has the following probability distribution.



































X



0



1



2



3



4



5



6



7



P (X)



0



k



2k



2k



3k



k2



2k2



7k2
+ k




Determine


(i) k


(ii) P
(X < 3)


(iii) P
(X > 6)


(iv) P
(0 < X < 3)



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