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SAT® Subject Test in Math 1 & 2

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Probability of Event Not Occuring

SATSTM-G0EQXK

If the probability of it going to rain in Boone County is $70\%$, then which one of the following describes the probability of it not going to rain in Boone County?

A

$\cfrac{7}{10}$

B

$\cfrac{1}{10}$

C

$\cfrac{1}{7}$

D

$\cfrac{3}{10}$

E

$\cfrac{1}{3}$