SAT Math Practice Question #36230 - SATify | SATify

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SAT Math Practice Question #36230 - SATify | SATify

#36230

counting

probability

medium

75 sec

A bag contains 8 red marbles, 5 blue marbles, and 7 green marbles. If one marble is selected at random from the bag, what is the probability that the selected marble is NOT blue?

A.

$\frac{1}{4}$

B.

$\frac{1}{3}$

C.

$\frac{7}{20}$

D.

$\frac{3}{4}$