This is a question from your textbook $(5\mathrm{.}4).$ Blood is a perishable product, so blood inventory management involves a trade$-$off between shortage and wastage. The demand for blood and its components fluctuates. Hospitals routinely track daily blood demand to estimate rates of usage so that they can manage their blood inventory. Here is the distribution of the number of bags $x$ used in a day.

$\backslash$table$[[\backslash$table$[[$Bag$],[$used$]],0,1,2,3,4,5,6,7,8,9,10,11,12],[$Prob$,0\mathrm{.}202,0\mathrm{.}159,0\mathrm{.}201,0\mathrm{.}125,0\mathrm{.}088,0\mathrm{.}087,0\mathrm{.}056,0\mathrm{.}025,0\mathrm{.}022,0\mathrm{.}018,0\mathrm{.}008,0\mathrm{.}006,0\mathrm{.}003]]$

a$.$ What is $P(x6)?$

b$.$ What is $P(x>6)?$

c$.$ What is $)$