Determine the following probabilities for a binomial distribution.

a$.$ For $n=6$ and $=0\mathrm{.}18,$ what is $P(x=0)?$

b$.$ For $n=11$ and $=0\mathrm{.}30,$ what is $P(x=10)?$

c$.$ For $n=11$ and $=0\mathrm{.}40,$ what is $P(x=9)?$

d$.$ For $n=2$ and $=0\mathrm{.}87,$ what is $P(x=1)?$