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A marble will be randomly selected from a bag of solid-colored marbles. The probability of selecting a red marble is `5/19`. The probability of selecting a blue marble is `4/19`. What is the probability of selecting a red marble or a blue marble?

A

`1/19`

B

`9/19`

C

`9/38`

D

`20/38`

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The correct Answer is:
B
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ENGLISH SAT-PRACTICE TEST 5 - MATHEMATICS TEST-EXERCISE
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