Scores on a test are normally distributed with a mean of $200$ and a standard deviation of $12.$ Find the probability a randomly selected

student scored less than $218.$

Select one:

a$.,0\mathrm{.}90$

b$.0\mathrm{.}45$

c$.0\mathrm{.}75$

d$.0\mathrm{.}93$

Clear my choice