Question $5$

Suppose $x$ and $Y$ have the joint probability distribution shown below. Find $P(x=1|Y=4).$

a$.0\mathrm{.}479$

b$.0\mathrm{.}375$

c$.0\mathrm{.}4286$

d$.0\mathrm{.}5526$

e$.0\mathrm{.}52$