Mathematics, 19.09.2019 11:30, lopezjose1530
P(k)=a^k=2 3 4 find value of a that makes this is a valid probability distribution
Answers: 1
such that
describes a probability distribution, require that 
for all 
, which means we can ignore the possibility of 
.
.
.
that removes the quartic and quadratic terms from the equation, i.e.
and we get
![\implies y=\sqrt[3]{\dfrac{9+\sqrt{93}}{18}}](/tpl/images/0242/8887/8e61f.png)
![\implies a=\sqrt[3]{\dfrac{9+\sqrt{93}}{18}}-\dfrac13\sqrt[3]{\dfrac{18}{9+\sqrt{93}}}](/tpl/images/0242/8887/e2264.png)
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P(k)=a^k=2 3 4 find value of a that makes this is a valid probability distribution...
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