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There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag.

What is the theoretical probability of randomly drawing either a red marble or a blue marble?

Respuesta :

marcthemathtutor

Answer:

13/25 (= 52%)

Step-by-step explanation:

number of red marbles = 5

number of blue marbles = 8

number of green marbles = 12

number of red and blue marbles only = 5 +8 = 13

total number of marbles = 5 + 8 + 12 = 25

P (draw red or blue)

= number of red and blue marbles only / total number of marbles

= 13/25

= 0.52

= 52%

Answer:

13/25

Step-by-step explanation:

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