4 Let X be a random variable with nonnegative values, and we know that E [ X ] = 5, what can we tell about P (X > 10) > ( a ) p ( x >, 10 ) > 0 5 ( b ) p ( X > 1 0 ) > 0 6 ( c ) p / ( x > , 1 0 ) 5 05 ( d ) Nothing can be told 9-1 L() )