A random variable, \(X\), has the distribution \(\mathrm { B } ( 12,0.85 )\). Find
(a) \(\mathrm { P } ( X > 10 )\),
(b) \(\mathrm { P } ( X = 10 )\),
(c) \(\operatorname { Var } ( X )\).
A random variable, \(Y\), has the distribution \(\mathrm { B } \left( 2 , \frac { 1 } { 4 } \right)\). Two independent values of \(Y\) are found. Find the probability that the sum of these two values is 1 .