Math
posted by Brianna
I need to find k for the probability distribution: P(x)=k(x+2) for x=1,2,3
I tried subbing in the xvalues, which gave me:
P(1)=3k
P(2)=4k
P(3)=5k
But I still have no idea what I need to do to find k.
Guidance, please?
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