Ten Percent of the Population Is Left-Handed $\mathrm { P } ( \mathrm { x } \leq 12 )$

Multiple Choice

Ten percent of the population is left-handed. In a class of 100 students, write the binomial probability for the statement ?There are at most 12 left-handed students in the class.?

A) $\mathrm { P } ( \mathrm { x } \leq 12 )$
B) $P ( x < 12 )$
C) $\mathrm { P } ( \mathrm { x } = 12 )$
D) $\mathrm { P } ( \mathrm { x } \geq 12 )$