a bag contains five red marbles, four blue marbles, and four yellow marbles. you randomly pick a marble…

a bag contains five red marbles, four blue marbles, and four yellow marbles. you randomly pick a marble. what is the probability that the marble is red or blue?\n\na. 8/13\n\nb. 9/26\n\nc. 20/169\n\nd. 9/13

a bag contains five red marbles, four blue marbles, and four yellow marbles. you randomly pick a marble. what is the probability that the marble is red or blue?\n\na. 8/13\n\nb. 9/26\n\nc. 20/169\n\nd. 9/13

Answer

Explanation:

Step1: Calculate total marbles

$5 + 4+4=13$

Step2: Calculate red or blue marbles

$5 + 4 = 9$

Step3: Calculate probability

The probability of picking a red or blue marble is $\frac{9}{13}$

Answer:

D. 9/13