Question

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



k 2



2k 2



7k 2 + k




Determine

(i) k

(ii) P (X < 3)

(iii) P (X > 6)

(iv) P (0 < X < 3)

Answer 1

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